{
  "dataset": "closurebench_base.jsonl",
  "version": "closurebench-v1",
  "num_items": 960,
  "num_base_scenarios": 320,
  "domains": {
    "cloud_deployment": 120,
    "hospital_access": 120,
    "library_services": 120,
    "university_registration": 120,
    "finance_controls": 120,
    "procurement_review": 120,
    "manufacturing_quality": 120,
    "robotics_operations": 120
  },
  "families": {
    "entailed_open_conclusion": 96,
    "explicit_negative_closed": 96,
    "explicit_negative_open": 96,
    "closed_missing_with_open_distractor": 96,
    "open_missing_with_closed_distractor": 96,
    "open_missing_direct": 96,
    "entailed_closed_conclusion": 96,
    "closed_missing_direct": 96,
    "closed_derived_missing_antecedent": 96,
    "open_derived_missing_antecedent": 96
  },
  "subsets": {
    "control_entailed": 192,
    "control_explicit_negative": 192,
    "core_contrastive": 576
  },
  "splits": {
    "dev": 93,
    "train": 648,
    "test": 219
  },
  "semantics": {
    "owa": 320,
    "cwa": 320,
    "lcwa": 320
  },
  "gold_answers": {
    "true": 192,
    "false": 480,
    "unknown": 288
  },
  "gold_reason_types": {
    "entailed_by_fact_or_rule": 192,
    "explicit_negative_fact": 192,
    "global_closed_world_underivable": 192,
    "local_open_world_underivable": 96,
    "open_world_underivable": 192,
    "local_closed_world_underivable": 96
  },
  "semantic_switch_patterns": {
    "false|false|false": 64,
    "true|true|true": 64,
    "unknown|false|false": 96,
    "unknown|false|unknown": 96
  },
  "primary_metrics": [
    "semantic_switch_accuracy",
    "lcwa_closed_scope_accuracy",
    "lcwa_open_scope_accuracy",
    "cwa_accuracy",
    "owa_accuracy"
  ],
  "notes": [
    "V3 preserves pilot v1/v2 files and should be treated as the publication candidate.",
    "Each base scenario has OWA, CWA, and LCWA variants with identical facts, rules, and target atom.",
    "Each item contains natural-language text plus symbolic atoms/rules and a gold reason type.",
    "Closure is explicit: closed predicates make unstated and underivable atoms false after rule closure.",
    "Controls are retained but marked separately from core contrastive cases."
  ]
}