{
  "dataset_name": "FactGuard-Bench",
  "format": "parquet",
  "features": {
    "id": "string",
    "document_id": "string",
    "document": "string",
    "question": "string",
    "response": "string",
    "answerability": "string",
    "category": "string",
    "perturbation": "string",
    "language": "string",
    "domain": "string",
    "source_file": "string",
    "legacy_length_bucket": "string",
    "document_char_length": "int64",
    "question_char_length": "int64",
    "response_char_length": "int64",
    "evidence": "string",
    "original_question": "string",
    "original_answer": "string",
    "unanswerable_reason": "string",
    "original_entity": "string",
    "substituted_entity": "string",
    "unsupported_condition": "string",
    "question_type": "string"
  },
  "splits": {
    "train": {
      "num_examples": 19100,
      "num_bytes": 310725789,
      "document_chars": 693758694,
      "answerability": {
        "answerable": 6168,
        "unanswerable": 12932
      },
      "category": {
        "answerable": 6168,
        "lack_of_evidence": 2752,
        "misleading_evidence": 10180
      },
      "perturbation": {
        "entity_substitution": 3411,
        "evidence_removal": 2752,
        "impossible_condition": 6769,
        "none": 6168
      },
      "language": {
        "en": 10699,
        "zh": 8401
      },
      "domain": {
        "book": 10099,
        "law": 9001
      },
      "shards": [
        {
          "path": "data/train.parquet",
          "num_examples": 19100,
          "num_bytes": 310725789
        }
      ],
      "num_unique_document_ids": 11379,
      "num_unique_exact_documents": 13449,
      "num_unique_questions": 19064
    },
    "validation": {
      "num_examples": 1920,
      "num_bytes": 31218221,
      "document_chars": 68509356,
      "answerability": {
        "answerable": 317,
        "unanswerable": 1603
      },
      "category": {
        "answerable": 317,
        "lack_of_evidence": 449,
        "misleading_evidence": 1154
      },
      "perturbation": {
        "entity_substitution": 494,
        "evidence_removal": 449,
        "impossible_condition": 660,
        "none": 317
      },
      "language": {
        "en": 1140,
        "zh": 780
      },
      "domain": {
        "book": 990,
        "law": 930
      },
      "shards": [
        {
          "path": "data/validation.parquet",
          "num_examples": 1920,
          "num_bytes": 31218221
        }
      ],
      "num_unique_document_ids": 1785,
      "num_unique_exact_documents": 1847,
      "num_unique_questions": 1920
    },
    "test": {
      "num_examples": 4200,
      "num_bytes": 70818511,
      "document_chars": 161913788,
      "answerability": {
        "answerable": 700,
        "unanswerable": 3500
      },
      "category": {
        "answerable": 700,
        "lack_of_evidence": 1050,
        "misleading_evidence": 2450
      },
      "perturbation": {
        "entity_substitution": 1050,
        "evidence_removal": 1050,
        "impossible_condition": 1400,
        "none": 700
      },
      "language": {
        "en": 2400,
        "zh": 1800
      },
      "domain": {
        "book": 2100,
        "law": 2100
      },
      "shards": [
        {
          "path": "data/test.parquet",
          "num_examples": 4200,
          "num_bytes": 70818511
        }
      ],
      "num_unique_document_ids": 3578,
      "num_unique_exact_documents": 3874,
      "num_unique_questions": 4197
    }
  },
  "totals": {
    "num_examples": 25220,
    "num_bytes": 412762521
  },
  "split_overlap": {
    "train__validation": {
      "shared_document_ids": 1318,
      "shared_exact_documents": 897,
      "shared_exact_questions": 7
    },
    "train__test": {
      "shared_document_ids": 2719,
      "shared_exact_documents": 1921,
      "shared_exact_questions": 11
    },
    "validation__test": {
      "shared_document_ids": 448,
      "shared_exact_documents": 240,
      "shared_exact_questions": 1
    }
  },
  "notes": [
    "Character lengths are provided for transparent filtering and are not tokenizer token counts.",
    "The public schema omits internal model traces and duplicate full-document fields.",
    "The legacy development split is published as the Hugging Face validation split."
  ]
}