{
  "session_id": "session_data_20260408_225731",
  "total_duration_s": 1143.2,
  "n_input_spans": 121,
  "session_goal": "Wash, peel, grind, and blend beetroot into puree with knife, peeler, mixer grinder, and blender, then wash dishes in sink.",
  "sub_goals": [
    {
      "sub_goal_id": 1,
      "start_time": 0.0,
      "end_time": 377.0,
      "description": "Wash and peel beetroot with knife and peeler, then clean peeler.",
      "episodes": [
        {
          "episode_id": 1,
          "start_time": 0.0,
          "end_time": 93.0,
          "description": "Rinse beetroot and prepare workspace near sink with knife.",
          "span_indices": [
            0,
            1,
            2,
            3,
            4,
            5,
            6,
            7
          ]
        },
        {
          "episode_id": 2,
          "start_time": 93.0,
          "end_time": 361.5,
          "description": "Peel four beetroots with knife and peeler, cut into pieces in metal bowl.",
          "span_indices": [
            8,
            9,
            10,
            11,
            12,
            13,
            14,
            15,
            16
          ]
        },
        {
          "episode_id": 3,
          "start_time": 361.5,
          "end_time": 377.0,
          "description": "Wash peeler and hands under running water and dry with towel.",
          "span_indices": [
            17,
            18
          ]
        }
      ]
    },
    {
      "sub_goal_id": 2,
      "start_time": 377.0,
      "end_time": 661.0,
      "description": "Grind beetroot with mixer grinder, add water, and transfer puree.",
      "episodes": [
        {
          "episode_id": 4,
          "start_time": 377.0,
          "end_time": 449.0,
          "description": "Fill metal pot with water, set up mixer grinder, and grind beetroot.",
          "span_indices": [
            19,
            20,
            21,
            22,
            23,
            24,
            25,
            26,
            27
          ]
        },
        {
          "episode_id": 5,
          "start_time": 449.0,
          "end_time": 589.0,
          "description": "Add water to beetroot, re-grind, stir, and pour puree into black bowl.",
          "span_indices": [
            28,
            29,
            30,
            31,
            32,
            33,
            34,
            35,
            36,
            37,
            38,
            39,
            40,
            41,
            42,
            43,
            44
          ]
        },
        {
          "episode_id": 6,
          "start_time": 589.0,
          "end_time": 661.0,
          "description": "Transfer beetroot puree from large cup to small cup using spoon.",
          "span_indices": [
            45,
            46,
            47,
            48
          ]
        }
      ]
    },
    {
      "sub_goal_id": 3,
      "start_time": 661.0,
      "end_time": 793.0,
      "description": "Blend beetroot puree in blender and store it in refrigerator.",
      "episodes": [
        {
          "episode_id": 7,
          "start_time": 661.0,
          "end_time": 757.0,
          "description": "Blend beetroot puree in black blender, wipe counter, and store blender jar in cabinet.",
          "span_indices": [
            49,
            50,
            51,
            52,
            53,
            54,
            55,
            56,
            57,
            58,
            59,
            60,
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            63,
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            68,
            69,
            70,
            71,
            72,
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            74,
            75,
            76,
            77
          ]
        },
        {
          "episode_id": 8,
          "start_time": 757.0,
          "end_time": 793.0,
          "description": "Pour remaining puree into blue mug and small cup, store in refrigerator.",
          "span_indices": [
            78,
            79,
            80,
            81,
            82,
            83,
            84,
            85,
            86,
            87,
            88,
            89,
            90,
            91,
            92,
            93
          ]
        }
      ]
    },
    {
      "sub_goal_id": 4,
      "start_time": 793.0,
      "end_time": 1143.2,
      "description": "Wash dishes including pot, bowl, blender jar, and metal containers.",
      "episodes": [
        {
          "episode_id": 9,
          "start_time": 793.0,
          "end_time": 900.0,
          "description": "Scrub large pot, yellow bowl, and blender jar with sponge, rinse.",
          "span_indices": [
            94,
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            97,
            98,
            99,
            100,
            101,
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            103,
            104
          ]
        },
        {
          "episode_id": 10,
          "start_time": 900.0,
          "end_time": 958.0,
          "description": "Wash yellow bowl, black metal pot, and stainless container under running water.",
          "span_indices": [
            105,
            106,
            107,
            108,
            109
          ]
        },
        {
          "episode_id": 11,
          "start_time": 958.0,
          "end_time": 1060.0,
          "description": "Scrub and rinse small blue-lidded dish, large plate, and deep metal container.",
          "span_indices": [
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            112,
            113,
            114,
            115
          ]
        },
        {
          "episode_id": 12,
          "start_time": 1060.0,
          "end_time": 1143.2,
          "description": "Rinse large metal plate, fill with water, place on rack, and wash hands.",
          "span_indices": [
            116,
            117,
            118,
            119,
            120
          ]
        }
      ]
    }
  ]
}