{
  "task": {
    "id": "case_14",
    "name": "count_a",
    "summary": "Returns the count of 'a' in the input sequence.",
    "examples": [
      {
        "input": [
          "BOS",
          "b",
          "b",
          "a",
          "a",
          "b",
          "b",
          "a",
          "a",
          "a"
        ],
        "output": [
          "BOS",
          5,
          5,
          5,
          5,
          5,
          5,
          5,
          5,
          5
        ]
      },
      {
        "input": [
          "BOS",
          "c",
          "c",
          "a",
          "c",
          "a",
          "c",
          "c",
          "a",
          "a"
        ],
        "output": [
          "BOS",
          4,
          4,
          4,
          4,
          4,
          4,
          4,
          4,
          4
        ]
      },
      {
        "input": [
          "BOS",
          "c",
          "a",
          "c",
          "c",
          "a",
          "a",
          "c",
          "b",
          "c"
        ],
        "output": [
          "BOS",
          3,
          3,
          3,
          3,
          3,
          3,
          3,
          3,
          3
        ]
      },
      {
        "input": [
          "BOS",
          "c",
          "c",
          "c",
          "b",
          "c",
          "b",
          "b",
          "c",
          "b"
        ],
        "output": [
          "BOS",
          0,
          0,
          0,
          0,
          0,
          0,
          0,
          0,
          0
        ]
      },
      {
        "input": [
          "BOS",
          "c",
          "c",
          "c",
          "a",
          "c",
          "b",
          "a",
          "b",
          "b"
        ],
        "output": [
          "BOS",
          2,
          2,
          2,
          2,
          2,
          2,
          2,
          2,
          2
        ]
      }
    ],
    "is_categorical": true
  },
  "program": "count_a_selector = rasp.Select(sop, sop, lambda k, q: k == token).named(\"count_a_selector\")\ncount_a = rasp.SelectorWidth(count_a_selector).named(\"count_a\")\nreturn count_a",
  "components": [
    {
      "id": "L0H0_ATTN",
      "hook": "blocks.0.attn.hook_result[0]",
      "role": {
        "tag": "AGGREGATOR",
        "note": "Aggregates positions containing the target token 'a' into a per-position match count."
      },
      "rasp_vars": [
        "count_a_selector"
      ],
      "labels": [
        "count_a_1_selector_width_attn_output"
      ]
    },
    {
      "id": "L0_MLP",
      "hook": "blocks.0.mlp.hook_post",
      "role": {
        "tag": "MAPPER",
        "note": "Turns the match pattern into a per-position total count of 'a' in the sequence."
      },
      "rasp_vars": [
        "count_a"
      ],
      "labels": [
        "count_a_1"
      ]
    }
  ]
}