{
  "session_id": "session_data_20260408_201230",
  "total_duration_s": 627.3,
  "n_input_spans": 141,
  "session_goal": "Heat milk on gas stove, store curry in small bowl on shelf, wash metal and plastic items, and place into dish rack.",
  "sub_goals": [
    {
      "sub_goal_id": 1,
      "start_time": 0.0,
      "end_time": 224.0,
      "description": "Light gas stove, heat milk, pour curry into bowl, wipe counter and stove, and store milk and curry on shelf.",
      "episodes": [
        {
          "episode_id": 1,
          "start_time": 0.0,
          "end_time": 71.0,
          "description": "Light gas stove, place pot of milk, pour curry into small metal bowl, and arrange shelf.",
          "span_indices": [
            0,
            1,
            2,
            3,
            4,
            5,
            6,
            7,
            8,
            9,
            10,
            11,
            12
          ]
        },
        {
          "episode_id": 2,
          "start_time": 71.0,
          "end_time": 132.0,
          "description": "Rinse pink cleaning cloth and wipe kitchen countertop, gas stove, and shelf.",
          "span_indices": [
            13,
            14,
            15,
            16,
            17,
            18
          ]
        },
        {
          "episode_id": 3,
          "start_time": 132.0,
          "end_time": 224.0,
          "description": "Wash green cleaning cloth and curry pot, then stir milk, add ingredient, and store covered bowl on shelf.",
          "span_indices": [
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            20,
            21,
            22,
            23,
            24,
            25,
            26,
            27
          ]
        }
      ]
    },
    {
      "sub_goal_id": 2,
      "start_time": 224.0,
      "end_time": 499.4,
      "description": "Wash metal pots, plates, plastic containers, and large pan in sink.",
      "episodes": [
        {
          "episode_id": 4,
          "start_time": 224.0,
          "end_time": 305.5,
          "description": "Wash small metal cups, bowls, plates, and large pot lids in sink.",
          "span_indices": [
            28,
            29,
            30,
            31,
            32,
            33,
            34,
            35,
            36,
            37,
            38
          ]
        },
        {
          "episode_id": 5,
          "start_time": 305.5,
          "end_time": 345.0,
          "description": "Wash small metal pot, tray, and blue and green plastic containers under running water.",
          "span_indices": [
            39,
            40,
            41,
            42,
            43,
            44,
            45,
            46,
            47,
            48,
            49,
            50,
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            52,
            53
          ]
        },
        {
          "episode_id": 6,
          "start_time": 345.0,
          "end_time": 396.0,
          "description": "Adjust stove knob, wash metal spoon and blue container, then reorganize dishes in sink.",
          "span_indices": [
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            55,
            56,
            57,
            58,
            59,
            60,
            61,
            62,
            63,
            64,
            65
          ]
        },
        {
          "episode_id": 7,
          "start_time": 396.0,
          "end_time": 452.6,
          "description": "Wash large metal pot lid, large plate, small pots, cups, and medium plates under water.",
          "span_indices": [
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            67,
            68,
            69,
            70,
            71,
            72,
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            80,
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            83,
            84,
            85,
            86,
            87,
            88,
            89,
            90,
            91,
            92
          ]
        },
        {
          "episode_id": 8,
          "start_time": 452.6,
          "end_time": 499.4,
          "description": "Wash clear plastic container, blue lid, green container, and large black metal pan.",
          "span_indices": [
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            95,
            96,
            97,
            98,
            99,
            100,
            101,
            102,
            103,
            104
          ]
        }
      ]
    },
    {
      "sub_goal_id": 3,
      "start_time": 499.4,
      "end_time": 557.1,
      "description": "Clean sink interior with scrubber, wipe countertop, and wash hands.",
      "episodes": [
        {
          "episode_id": 9,
          "start_time": 499.4,
          "end_time": 508.4,
          "description": "Clean sink interior with scrubber and dispose debris into trash bin.",
          "span_indices": [
            105,
            106,
            107
          ]
        },
        {
          "episode_id": 10,
          "start_time": 508.4,
          "end_time": 557.1,
          "description": "Wipe sink countertop with pink cloth, wash hands with soap, and dry with blue cloth.",
          "span_indices": [
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            109,
            110,
            111,
            112,
            113,
            114
          ]
        }
      ]
    },
    {
      "sub_goal_id": 4,
      "start_time": 557.1,
      "end_time": 627.3,
      "description": "Place washed dishes into dish rack, wipe countertop, and observe kitchen.",
      "episodes": [
        {
          "episode_id": 11,
          "start_time": 557.1,
          "end_time": 571.1,
          "description": "Walk to sink and place large black pan and medium metal pot into dish rack.",
          "span_indices": [
            115,
            116,
            117,
            118,
            119,
            120,
            121
          ]
        },
        {
          "episode_id": 12,
          "start_time": 571.1,
          "end_time": 604.7,
          "description": "Place small bowls, cups, spoons, and plastic containers into dish rack.",
          "span_indices": [
            122,
            123,
            124,
            125,
            126,
            127,
            128,
            129,
            130,
            131,
            132,
            133,
            134
          ]
        },
        {
          "episode_id": 13,
          "start_time": 604.7,
          "end_time": 627.3,
          "description": "Pick up scrubber and drain strainer, wipe countertop, and observe cleaned kitchen.",
          "span_indices": [
            135,
            136,
            137,
            138,
            139,
            140
          ]
        }
      ]
    }
  ]
}