{
  "answer": {
    "aa": [
      9,
      7,
      1
    ],
    "bb": [
      [
        0,
        1
      ],
      [
        3,
        3
      ],
      [
        1,
        4
      ]
    ],
    "cc": 17,
    "dd": 3
  },
  "evidence": [
    2,
    67,
    94,
    135,
    164,
    222,
    268,
    288
  ],
  "schema_version": 1,
  "task": "program-execution-tracing"
}