{
  "answer": {
    "aa": [
      "H"
    ],
    "bb": {
      "H": 0
    },
    "cc": [
      "H"
    ],
    "dd": 1
  },
  "evidence": [
    14,
    52,
    108,
    137,
    181,
    222,
    271,
    298
  ],
  "schema_version": 1,
  "task": "program-execution-tracing"
}