{
  "name": "iter17_closed_set_independent_verifier_dev18",
  "frozen_before_outputs": true,
  "selection_policy": "filter frozen dev24 only by visible question+options schema; no benchmark task label routing",
  "count": 18,
  "task_counts": {
    "ACR": 2,
    "ASI": 2,
    "ATR": 2,
    "EPM": 2,
    "FPD": 2,
    "HLD": 2,
    "OCR": 2,
    "OJR": 2,
    "STU": 2
  },
  "stratum_counts": {
    "formal_only": 9,
    "0703_only": 9
  },
  "pre_registered_gate": {
    "coverage": "18/18",
    "both_verdicts_valid_at_least": "17/18",
    "switches_at_least": 2,
    "formal_preservation_loss": 0,
    "net_gain_at_least": 2
  },
  "selection": [
    {
      "id": "1210",
      "task": "ACR",
      "source": "1210",
      "stratum": "formal_only",
      "gt": "D",
      "formal_prediction": "D",
      "alternative_prediction": "A",
      "formal_response": "D. He is inflating a tire.",
      "alternative_response": "A. He is repairing a bicycle.",
      "candidate_a": "D. He is inflating a tire.",
      "candidate_b": "A. He is repairing a bicycle.",
      "candidate_a_source": "formal",
      "candidate_b_source": "0703",
      "formal_correct": 1,
      "alternative_correct": 0
    },
    {
      "id": "1248",
      "task": "ACR",
      "source": "1248",
      "stratum": "0703_only",
      "gt": "A",
      "formal_prediction": "C",
      "alternative_prediction": "A",
      "formal_response": "C. The player in red is trying to stop the player in blue from scoring.",
      "alternative_response": "A. The player in red is tackling the player in blue.",
      "candidate_a": "A. The player in red is tackling the player in blue.",
      "candidate_b": "C. The player in red is trying to steal the ball from the player in blue.",
      "candidate_a_source": "0703",
      "candidate_b_source": "formal",
      "formal_correct": 0,
      "alternative_correct": 1
    },
    {
      "id": "510",
      "task": "ASI",
      "source": "510",
      "stratum": "formal_only",
      "gt": "B",
      "formal_prediction": "B",
      "alternative_prediction": "C",
      "formal_response": "B. add tortilla",
      "alternative_response": "C. stir",
      "candidate_a": "B. add tortilla",
      "candidate_b": "C. stir",
      "candidate_a_source": "formal",
      "candidate_b_source": "0703",
      "formal_correct": 1,
      "alternative_correct": 0
    },
    {
      "id": "492",
      "task": "ASI",
      "source": "492",
      "stratum": "0703_only",
      "gt": "A",
      "formal_prediction": "C",
      "alternative_prediction": "A",
      "formal_response": "C. prepare meat",
      "alternative_response": "A. string together",
      "candidate_a": "A. string together",
      "candidate_b": "C. prepare meat",
      "candidate_a_source": "0703",
      "candidate_b_source": "formal",
      "formal_correct": 0,
      "alternative_correct": 1
    },
    {
      "id": "1046",
      "task": "ATR",
      "source": "1046",
      "stratum": "formal_only",
      "gt": "B",
      "formal_prediction": "B",
      "alternative_prediction": "A",
      "formal_response": "B. Smooth and liquidy.",
      "alternative_response": "A. Thick and creamy.",
      "candidate_a": "B. Smooth and liquidy.",
      "candidate_b": "A. Thick and creamy.",
      "candidate_a_source": "formal",
      "candidate_b_source": "0703",
      "formal_correct": 1,
      "alternative_correct": 0
    },
    {
      "id": "1014",
      "task": "ATR",
      "source": "1014",
      "stratum": "0703_only",
      "gt": "B",
      "formal_prediction": "A",
      "alternative_prediction": "B",
      "formal_response": "A. Plastic",
      "alternative_response": "B. Metal",
      "candidate_a": "A. Plastic",
      "candidate_b": "B. Metal",
      "candidate_a_source": "formal",
      "candidate_b_source": "0703",
      "formal_correct": 0,
      "alternative_correct": 1
    },
    {
      "id": "134",
      "task": "EPM",
      "source": "134",
      "stratum": "formal_only",
      "gt": "A",
      "formal_prediction": "A",
      "alternative_prediction": "C",
      "formal_response": "A. at the shelf",
      "alternative_response": "C. in the toolbox",
      "candidate_a": "C. in the toolbox",
      "candidate_b": "A. at the shelf",
      "candidate_a_source": "0703",
      "candidate_b_source": "formal",
      "formal_correct": 1,
      "alternative_correct": 0
    },
    {
      "id": "130",
      "task": "EPM",
      "source": "130",
      "stratum": "0703_only",
      "gt": "A",
      "formal_prediction": "C",
      "alternative_prediction": "A",
      "formal_response": "C. garlic",
      "alternative_response": "A. beef sauce",
      "candidate_a": "A. beef sauce",
      "candidate_b": "C. garlic",
      "candidate_a_source": "0703",
      "candidate_b_source": "formal",
      "formal_correct": 0,
      "alternative_correct": 1
    },
    {
      "id": "1184",
      "task": "FPD",
      "source": "1184",
      "stratum": "formal_only",
      "gt": "D",
      "formal_prediction": "D",
      "alternative_prediction": "A",
      "formal_response": "D. The person is about to take a paper towel to cover the dough.",
      "alternative_response": "A. The person is about to take a paper towel to wipe the counter.",
      "candidate_a": "A. The person is about to take a paper towel to wipe the counter.",
      "candidate_b": "D. The person is about to take a paper towel to cover the dough.",
      "candidate_a_source": "0703",
      "candidate_b_source": "formal",
      "formal_correct": 1,
      "alternative_correct": 0
    },
    {
      "id": "1131",
      "task": "FPD",
      "source": "1131",
      "stratum": "0703_only",
      "gt": "C",
      "formal_prediction": "D",
      "alternative_prediction": "C",
      "formal_response": "D. The person is about to open the lid.",
      "alternative_response": "C. The person is about to pick up the bottle.",
      "candidate_a": "C. The person is about to pick up the bottle.",
      "candidate_b": "D. The person is about to open the lid of the container.",
      "candidate_a_source": "0703",
      "candidate_b_source": "formal",
      "formal_correct": 0,
      "alternative_correct": 1
    },
    {
      "id": "314",
      "task": "HLD",
      "source": "314",
      "stratum": "formal_only",
      "gt": "A",
      "formal_prediction": "A",
      "alternative_prediction": "B",
      "formal_response": "A. Unable to answer",
      "alternative_response": "B. On the counter top",
      "candidate_a": "B. On the counter top",
      "candidate_b": "A. Unable to answer",
      "candidate_a_source": "0703",
      "candidate_b_source": "formal",
      "formal_correct": 1,
      "alternative_correct": 0
    },
    {
      "id": "358",
      "task": "HLD",
      "source": "358",
      "stratum": "0703_only",
      "gt": "A",
      "formal_prediction": "D",
      "alternative_prediction": "A",
      "formal_response": "D. in the hand",
      "alternative_response": "A. Unable to answer",
      "candidate_a": "D. in the hand",
      "candidate_b": "A. Unable to answer",
      "candidate_a_source": "formal",
      "candidate_b_source": "0703",
      "formal_correct": 0,
      "alternative_correct": 1
    },
    {
      "id": "1325",
      "task": "OCR",
      "source": "1325",
      "stratum": "formal_only",
      "gt": "D",
      "formal_prediction": "D",
      "alternative_prediction": "B",
      "formal_response": "D. ADWEEK",
      "alternative_response": "B. just salad",
      "candidate_a": "B. just salad",
      "candidate_b": "D. ADWEEK",
      "candidate_a_source": "0703",
      "candidate_b_source": "formal",
      "formal_correct": 1,
      "alternative_correct": 0
    },
    {
      "id": "1336",
      "task": "OCR",
      "source": "1336",
      "stratum": "0703_only",
      "gt": "C",
      "formal_prediction": "B",
      "alternative_prediction": "C",
      "formal_response": "B. RAW Engine",
      "alternative_response": "C. Dragon Engine",
      "candidate_a": "C. Dragon Engine",
      "candidate_b": "B. RAW Engine",
      "candidate_a_source": "0703",
      "candidate_b_source": "formal",
      "formal_correct": 0,
      "alternative_correct": 1
    },
    {
      "id": "860",
      "task": "OJR",
      "source": "860",
      "stratum": "formal_only",
      "gt": "A",
      "formal_prediction": "A",
      "alternative_prediction": "B",
      "formal_response": "A. Two people are sitting on the bench.",
      "alternative_response": "B. Three people are sitting on the bench.",
      "candidate_a": "B. Three people are sitting on the bench.",
      "candidate_b": "A. Two people are sitting on the bench.",
      "candidate_a_source": "0703",
      "candidate_b_source": "formal",
      "formal_correct": 1,
      "alternative_correct": 0
    },
    {
      "id": "841",
      "task": "OJR",
      "source": "841",
      "stratum": "0703_only",
      "gt": "A",
      "formal_prediction": "B",
      "alternative_prediction": "A",
      "formal_response": "B. A woman with a silver mask.",
      "alternative_response": "A. A woman with a silver veil.",
      "candidate_a": "B. A woman with a silver mask.",
      "candidate_b": "A. A woman with a silver veil.",
      "candidate_a_source": "formal",
      "candidate_b_source": "0703",
      "formal_correct": 0,
      "alternative_correct": 1
    },
    {
      "id": "674",
      "task": "STU",
      "source": "674",
      "stratum": "formal_only",
      "gt": "B",
      "formal_prediction": "B",
      "alternative_prediction": "D",
      "formal_response": "B. Second from the left",
      "alternative_response": "D. The outermost box",
      "candidate_a": "B. Second from the left",
      "candidate_b": "D. The outermost box",
      "candidate_a_source": "formal",
      "candidate_b_source": "0703",
      "formal_correct": 1,
      "alternative_correct": 0
    },
    {
      "id": "655",
      "task": "STU",
      "source": "655",
      "stratum": "0703_only",
      "gt": "B",
      "formal_prediction": "D",
      "alternative_prediction": "B",
      "formal_response": "D. Front.",
      "alternative_response": "B. Back.",
      "candidate_a": "B. Back.",
      "candidate_b": "D. Front.",
      "candidate_a_source": "0703",
      "candidate_b_source": "formal",
      "formal_correct": 0,
      "alternative_correct": 1
    }
  ]
}