{
  "scope": {
    "total": 22,
    "holdout": 18,
    "canary": 4,
    "parser_all_matched": "22/22",
    "unsafe_all_matched": 0
  },
  "stage2": {
    "exact": "9/22",
    "holdout": "5/18",
    "canary": "4/4"
  },
  "stage3_corrected": {
    "exact": "4/22",
    "holdout": "1/18",
    "canary": "3/4"
  },
  "stage4": {
    "exact": "10/22",
    "holdout": "6/18",
    "canary": "4/4"
  },
  "paired": {
    "stage4_vs_stage2": {
      "mcnemar_exact_two_sided_p": 1.0,
      "significant_alpha_0_05": false
    },
    "stage4_vs_clean_stage3": {
      "all22_p": 0.015625,
      "holdout18_p": 0.03125,
      "significant_alpha_0_05": true
    }
  }
}