English Plural Generation

0033_plural · Tier 2 · Word Processing

A benchmark to evaluate a model's ability to produce the correct plural form of English nouns, covering regular, -es, -ies, -ves, irregular, invariant, and Latin/Greek pluralization rules.

Run Benchmark
Questions

40

Leaderboard Entries

25

Best Score

100/100

Leaderboard
Rank Model Score Avg cost Run Date Actions
GPT-5.6 Luna
100
969.0ms median
 300µ$ 2026-07-27 17:34:41 View Details
2 GPT-5.4 nano
100
682.5ms median
 61µ$ 2026-03-17 19:20:37 View Details
3 GPT-5.4 mini
100
694.5ms median
 225µ$ 2026-03-17 18:58:29 View Details
4 Qwen3.5 9B (LMStudio)
6600 MB
100
2198.0ms median
 109µ$ 2026-03-03 20:24:39 View Details
5 GPT-5 mini
100
1125.0ms median
 109µ$ 2026-03-03 06:05:34 View Details
6 Claude Haiku 4.5
100
613.0ms median
 830µ$ 2026-03-03 05:56:31 View Details
7 Phi-4 (LMStudio)
9100 MB
100
1205.0ms median
 63µ$ 2026-03-03 00:57:02 View Details
8 Llama 3 8B (LMStudio)
4900 MB
100
698.0ms median
cost warning
 35µ$ 2026-03-03 00:05:24 View Details
9 Gemma 3 12B (LMStudio)
8100 MB
100
1404.5ms median
 76µ$ 2026-03-02 23:31:20 View Details
10 Gemma 2 9B (LMStudio)
5800 MB
100
926.0ms median
 48µ$ 2026-03-02 23:04:26 View Details
11 GPT-5 nano
100
992.0ms median
 22µ$ 2026-03-02 19:46:43 View Details
12 Gemma 4 12B (LMStudio)
7560 MB
98
1074.0ms median
 57µ$ 2026-06-03 19:28:23 View Details
13 Granite 3.2 8B (LMStudio)
4900 MB
98
849.0ms median
 43µ$ 2026-03-02 23:46:39 View Details
14 Llama 3.1 8B (LMStudio)
4900 MB
98
715.0ms median
cost warning
 36µ$ 2026-03-02 20:36:51 View Details
15 Qwen3.5 4B (LMStudio)
3400 MB
95
1380.0ms median
 68µ$ 2026-03-03 21:20:48 View Details
16 OLMo 3 7B (LMStudio)
4300 MB
95
663.5ms median
 33µ$ 2026-03-02 20:23:49 View Details
17 Gemma 4 E4B IT (LMStudio)
3200 MB
92
1034.5ms median
 50µ$ 2026-04-02 21:18:15 View Details
18 SmolLM2 1.7B (LMStudio)
1100 MB
92
232.0ms median
 12µ$ 2026-03-03 05:51:09 View Details
19 Ministral 8B (LMStudio)
4900 MB
92
624.0ms median
 32µ$ 2026-03-03 00:18:25 View Details
20 Gemma 2 2B (LMStudio)
1500 MB
92
717.5ms median
 39µ$ 2026-03-02 22:58:04 View Details
21 Qwen3.5 2B (LMStudio)
2700 MB
90
577.5ms median
 29µ$ 2026-03-03 19:23:41 View Details
22 Gemma 2B (LMStudio)
1500 MB
88
321.5ms median
 16µ$ 2026-03-02 23:12:17 View Details
23 Llama 2 7B (LMStudio)
4900 MB
85
660.0ms median
cost warning
 35µ$ 2026-03-02 23:59:02 View Details
24 Llama 3.2 1B (LMStudio)
1300 MB
72
248.0ms median
cost warning
 13µ$ 2026-03-03 00:14:28 View Details
25 Phi-3.5 Mini (LMStudio)
2500 MB
25
419.0ms median
 21µ$ 2026-03-03 00:29:24 View Details
Questions

Question
What is the plural form of the noun 'cat'?
Question payload
{
  "question_text": "What is the plural form of the noun 'cat'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "cats"
  },
  "category": "pluralization",
  "difficulty": "easy",
  "tags": [
    "pluralization",
    "morphology",
    "regular"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'dog'?
Question payload
{
  "question_text": "What is the plural form of the noun 'dog'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "dogs"
  },
  "category": "pluralization",
  "difficulty": "easy",
  "tags": [
    "pluralization",
    "morphology",
    "regular"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'dish'?
Question payload
{
  "question_text": "What is the plural form of the noun 'dish'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "dishes"
  },
  "category": "pluralization",
  "difficulty": "easy",
  "tags": [
    "pluralization",
    "morphology",
    "-es"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'buzz'?
Question payload
{
  "question_text": "What is the plural form of the noun 'buzz'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "buzzes"
  },
  "category": "pluralization",
  "difficulty": "easy",
  "tags": [
    "pluralization",
    "morphology",
    "-es"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'city'?
Question payload
{
  "question_text": "What is the plural form of the noun 'city'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "cities"
  },
  "category": "pluralization",
  "difficulty": "medium",
  "tags": [
    "pluralization",
    "morphology",
    "-ies"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'baby'?
Question payload
{
  "question_text": "What is the plural form of the noun 'baby'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "babies"
  },
  "category": "pluralization",
  "difficulty": "medium",
  "tags": [
    "pluralization",
    "morphology",
    "-ies"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'berry'?
Question payload
{
  "question_text": "What is the plural form of the noun 'berry'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "berries"
  },
  "category": "pluralization",
  "difficulty": "medium",
  "tags": [
    "pluralization",
    "morphology",
    "-ies"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'story'?
Question payload
{
  "question_text": "What is the plural form of the noun 'story'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "stories"
  },
  "category": "pluralization",
  "difficulty": "medium",
  "tags": [
    "pluralization",
    "morphology",
    "-ies"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'leaf'?
Question payload
{
  "question_text": "What is the plural form of the noun 'leaf'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "leaves"
  },
  "category": "pluralization",
  "difficulty": "medium",
  "tags": [
    "pluralization",
    "morphology",
    "-ves"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'wife'?
Question payload
{
  "question_text": "What is the plural form of the noun 'wife'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "wives"
  },
  "category": "pluralization",
  "difficulty": "medium",
  "tags": [
    "pluralization",
    "morphology",
    "-ves"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'knife'?
Question payload
{
  "question_text": "What is the plural form of the noun 'knife'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "knives"
  },
  "category": "pluralization",
  "difficulty": "medium",
  "tags": [
    "pluralization",
    "morphology",
    "-ves"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'wolf'?
Question payload
{
  "question_text": "What is the plural form of the noun 'wolf'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "wolves"
  },
  "category": "pluralization",
  "difficulty": "medium",
  "tags": [
    "pluralization",
    "morphology",
    "-ves"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'book'?
Question payload
{
  "question_text": "What is the plural form of the noun 'book'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "books"
  },
  "category": "pluralization",
  "difficulty": "easy",
  "tags": [
    "pluralization",
    "morphology",
    "regular"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'man'?
Question payload
{
  "question_text": "What is the plural form of the noun 'man'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "men"
  },
  "category": "pluralization",
  "difficulty": "hard",
  "tags": [
    "pluralization",
    "morphology",
    "irregular"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'woman'?
Question payload
{
  "question_text": "What is the plural form of the noun 'woman'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "women"
  },
  "category": "pluralization",
  "difficulty": "hard",
  "tags": [
    "pluralization",
    "morphology",
    "irregular"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'child'?
Question payload
{
  "question_text": "What is the plural form of the noun 'child'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "children"
  },
  "category": "pluralization",
  "difficulty": "hard",
  "tags": [
    "pluralization",
    "morphology",
    "irregular"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'tooth'?
Question payload
{
  "question_text": "What is the plural form of the noun 'tooth'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "teeth"
  },
  "category": "pluralization",
  "difficulty": "hard",
  "tags": [
    "pluralization",
    "morphology",
    "irregular"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'foot'?
Question payload
{
  "question_text": "What is the plural form of the noun 'foot'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "feet"
  },
  "category": "pluralization",
  "difficulty": "hard",
  "tags": [
    "pluralization",
    "morphology",
    "irregular"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'mouse'?
Question payload
{
  "question_text": "What is the plural form of the noun 'mouse'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "mice"
  },
  "category": "pluralization",
  "difficulty": "hard",
  "tags": [
    "pluralization",
    "morphology",
    "irregular"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'goose'?
Question payload
{
  "question_text": "What is the plural form of the noun 'goose'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "geese"
  },
  "category": "pluralization",
  "difficulty": "hard",
  "tags": [
    "pluralization",
    "morphology",
    "irregular"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'ox'?
Question payload
{
  "question_text": "What is the plural form of the noun 'ox'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "oxen"
  },
  "category": "pluralization",
  "difficulty": "hard",
  "tags": [
    "pluralization",
    "morphology",
    "irregular"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'sheep'?
Question payload
{
  "question_text": "What is the plural form of the noun 'sheep'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "sheep"
  },
  "category": "pluralization",
  "difficulty": "hard",
  "tags": [
    "pluralization",
    "morphology",
    "invariant"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'deer'?
Question payload
{
  "question_text": "What is the plural form of the noun 'deer'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "deer"
  },
  "category": "pluralization",
  "difficulty": "hard",
  "tags": [
    "pluralization",
    "morphology",
    "invariant"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'tree'?
Question payload
{
  "question_text": "What is the plural form of the noun 'tree'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "trees"
  },
  "category": "pluralization",
  "difficulty": "easy",
  "tags": [
    "pluralization",
    "morphology",
    "regular"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'moose'?
Question payload
{
  "question_text": "What is the plural form of the noun 'moose'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "moose"
  },
  "category": "pluralization",
  "difficulty": "hard",
  "tags": [
    "pluralization",
    "morphology",
    "invariant"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'series'?
Question payload
{
  "question_text": "What is the plural form of the noun 'series'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "series"
  },
  "category": "pluralization",
  "difficulty": "hard",
  "tags": [
    "pluralization",
    "morphology",
    "invariant"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'bacterium'?
Question payload
{
  "question_text": "What is the plural form of the noun 'bacterium'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "bacteria"
  },
  "category": "pluralization",
  "difficulty": "hard",
  "tags": [
    "pluralization",
    "morphology",
    "latin"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'criterion'?
Question payload
{
  "question_text": "What is the plural form of the noun 'criterion'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "criteria"
  },
  "category": "pluralization",
  "difficulty": "hard",
  "tags": [
    "pluralization",
    "morphology",
    "latin"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'phenomenon'?
Question payload
{
  "question_text": "What is the plural form of the noun 'phenomenon'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "phenomena"
  },
  "category": "pluralization",
  "difficulty": "hard",
  "tags": [
    "pluralization",
    "morphology",
    "latin"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'stratum'?
Question payload
{
  "question_text": "What is the plural form of the noun 'stratum'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "strata"
  },
  "category": "pluralization",
  "difficulty": "hard",
  "tags": [
    "pluralization",
    "morphology",
    "latin"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'alumnus'?
Question payload
{
  "question_text": "What is the plural form of the noun 'alumnus'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "alumni"
  },
  "category": "pluralization",
  "difficulty": "hard",
  "tags": [
    "pluralization",
    "morphology",
    "latin"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'nucleus'?
Question payload
{
  "question_text": "What is the plural form of the noun 'nucleus'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "nuclei"
  },
  "category": "pluralization",
  "difficulty": "hard",
  "tags": [
    "pluralization",
    "morphology",
    "latin"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'radius'?
Question payload
{
  "question_text": "What is the plural form of the noun 'radius'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "radii"
  },
  "category": "pluralization",
  "difficulty": "hard",
  "tags": [
    "pluralization",
    "morphology",
    "latin"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'analysis'?
Question payload
{
  "question_text": "What is the plural form of the noun 'analysis'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "analyses"
  },
  "category": "pluralization",
  "difficulty": "hard",
  "tags": [
    "pluralization",
    "morphology",
    "latin"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'house'?
Question payload
{
  "question_text": "What is the plural form of the noun 'house'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "houses"
  },
  "category": "pluralization",
  "difficulty": "easy",
  "tags": [
    "pluralization",
    "morphology",
    "regular"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'table'?
Question payload
{
  "question_text": "What is the plural form of the noun 'table'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "tables"
  },
  "category": "pluralization",
  "difficulty": "easy",
  "tags": [
    "pluralization",
    "morphology",
    "regular"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'chair'?
Question payload
{
  "question_text": "What is the plural form of the noun 'chair'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "chairs"
  },
  "category": "pluralization",
  "difficulty": "easy",
  "tags": [
    "pluralization",
    "morphology",
    "regular"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'bus'?
Question payload
{
  "question_text": "What is the plural form of the noun 'bus'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "buses"
  },
  "category": "pluralization",
  "difficulty": "easy",
  "tags": [
    "pluralization",
    "morphology",
    "-es"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'box'?
Question payload
{
  "question_text": "What is the plural form of the noun 'box'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "boxes"
  },
  "category": "pluralization",
  "difficulty": "easy",
  "tags": [
    "pluralization",
    "morphology",
    "-es"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}

Question
What is the plural form of the noun 'church'?
Question payload
{
  "question_text": "What is the plural form of the noun 'church'?",
  "answer_type": "json",
  "correct_answer": {
    "plural": "churches"
  },
  "category": "pluralization",
  "difficulty": "easy",
  "tags": [
    "pluralization",
    "morphology",
    "-es"
  ],
  "schema": {
    "type": "object",
    "properties": {
      "plural": {
        "type": "string",
        "description": "The plural form of the noun"
      }
    },
    "required": [
      "plural"
    ]
  },
  "evaluation_criteria": {
    "exact_match": true,
    "case_sensitive": false,
    "contains": false,
    "required_fields": [
      "plural"
    ],
    "tolerance": 0.0,
    "alternatives": []
  }
}