{
  "documents": [
    {
      "id": "A",
      "positions": [
        "context_A",
        "target_A1"
      ],
      "target_probability": [
        null,
        0.5
      ],
      "score_mask": [
        false,
        true
      ]
    },
    {
      "id": "B",
      "positions": [
        "context_B",
        "target_B1",
        "target_B2",
        "target_B3"
      ],
      "target_probability": [
        null,
        0.25,
        0.25,
        0.25
      ],
      "score_mask": [
        false,
        true,
        true,
        true
      ]
    }
  ],
  "probabilities_are_constructed": true,
  "actual_tokenizer_or_model": false
}