{
  "session_id": "session_data_20260405_085841",
  "total_duration_s": 1097.6,
  "n_input_spans": 209,
  "session_goal": "Prepare idli batter and steam idlis, cook yellow curry in white pot, wash dishes, and serve idlis with curry on tray.",
  "sub_goals": [
    {
      "sub_goal_id": 1,
      "start_time": 0.0,
      "end_time": 180.0,
      "description": "Set up kitchen with idli molds, batter, thermos, and white pot on stove.",
      "episodes": [
        {
          "episode_id": 1,
          "start_time": 0.0,
          "end_time": 72.0,
          "description": "Walk to kitchen counter and observe idli molds and ingredients on counter.",
          "span_indices": [
            0,
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            4
          ]
        },
        {
          "episode_id": 2,
          "start_time": 72.0,
          "end_time": 98.0,
          "description": "Stir white batter, ignite stove with lighter, and pour oil into idli molds.",
          "span_indices": [
            5,
            6,
            7,
            8,
            9
          ]
        },
        {
          "episode_id": 3,
          "start_time": 98.0,
          "end_time": 115.0,
          "description": "Carry three spice containers from kitchen counter to dining table.",
          "span_indices": [
            10,
            11,
            12
          ]
        },
        {
          "episode_id": 4,
          "start_time": 115.0,
          "end_time": 124.0,
          "description": "Carry thermos from dining table to kitchen counter.",
          "span_indices": [
            13,
            14,
            15
          ]
        },
        {
          "episode_id": 5,
          "start_time": 124.0,
          "end_time": 153.0,
          "description": "Fill thermos with hot water from stainless steel container and glass bottle.",
          "span_indices": [
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            20,
            21,
            22
          ]
        },
        {
          "episode_id": 6,
          "start_time": 153.0,
          "end_time": 173.0,
          "description": "Retrieve large white pot, rinse under tap water, and place on stove burner.",
          "span_indices": [
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            24,
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            26,
            27,
            28
          ]
        },
        {
          "episode_id": 7,
          "start_time": 173.0,
          "end_time": 180.0,
          "description": "Pour water from thermos into large white pot and ignite burner.",
          "span_indices": [
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            30,
            31,
            32
          ]
        }
      ]
    },
    {
      "sub_goal_id": 2,
      "start_time": 180.0,
      "end_time": 258.0,
      "description": "Wash dishes and reorganize counter and stove.",
      "episodes": [
        {
          "episode_id": 8,
          "start_time": 180.0,
          "end_time": 233.5,
          "description": "Wash beige mugs, purple-lidded containers, metal bowls, drying mat, and drain board.",
          "span_indices": [
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            57
          ]
        },
        {
          "episode_id": 9,
          "start_time": 233.5,
          "end_time": 258.0,
          "description": "Adjust position of large white pot on stove and rearrange items on counter.",
          "span_indices": [
            58,
            59,
            60,
            61,
            62,
            63
          ]
        }
      ]
    },
    {
      "sub_goal_id": 3,
      "start_time": 258.0,
      "end_time": 565.0,
      "description": "Prepare idli batter, fill molds, steam idlis, and store leftover batter.",
      "episodes": [
        {
          "episode_id": 10,
          "start_time": 258.0,
          "end_time": 297.0,
          "description": "Arrange idli molds, retrieve white container from spice drawer, and stir batter.",
          "span_indices": [
            64,
            65,
            66,
            67,
            68,
            69,
            70
          ]
        },
        {
          "episode_id": 11,
          "start_time": 297.0,
          "end_time": 399.0,
          "description": "Pour batter into idli molds with ladle, place molds in steamer pot, and rinse bowl.",
          "span_indices": [
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            72,
            73,
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            75,
            76,
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            80,
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            83,
            84
          ]
        },
        {
          "episode_id": 12,
          "start_time": 399.0,
          "end_time": 436.0,
          "description": "Open dish drawer, rearrange plastic containers and lids, and pick up small white bowl.",
          "span_indices": [
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            90,
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            94
          ]
        },
        {
          "episode_id": 13,
          "start_time": 436.0,
          "end_time": 565.0,
          "description": "Pour remaining batter into small white bowl, scrape large bowl, label lid, and store.",
          "span_indices": [
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            99,
            100,
            101,
            102,
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            104
          ]
        }
      ]
    },
    {
      "sub_goal_id": 4,
      "start_time": 565.0,
      "end_time": 879.0,
      "description": "Cook yellow curry by adding ingredients and stirring mixture in white pot.",
      "episodes": [
        {
          "episode_id": 14,
          "start_time": 565.0,
          "end_time": 580.0,
          "description": "Pick up glass jar, remove lid, and rinse metal lid under tap water.",
          "span_indices": [
            105,
            106
          ]
        },
        {
          "episode_id": 15,
          "start_time": 580.0,
          "end_time": 617.0,
          "description": "Observe pot on stove, pour liquid into thermos, and fill thermos with water.",
          "span_indices": [
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            108,
            109,
            110,
            111,
            112
          ]
        },
        {
          "episode_id": 16,
          "start_time": 617.0,
          "end_time": 684.0,
          "description": "Stir mixture in white pot with ladle and small metal stirrer from drawer.",
          "span_indices": [
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          ]
        },
        {
          "episode_id": 17,
          "start_time": 684.0,
          "end_time": 724.0,
          "description": "Pour contents of red-lidded container and yellow liquid into white pot.",
          "span_indices": [
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            128
          ]
        },
        {
          "episode_id": 18,
          "start_time": 724.0,
          "end_time": 737.0,
          "description": "Walk to dining table, pick up thermos, and place on kitchen counter.",
          "span_indices": [
            129,
            130
          ]
        },
        {
          "episode_id": 19,
          "start_time": 737.0,
          "end_time": 813.0,
          "description": "Retrieve brown container, scoop mixture into white pot, stir, and store in refrigerator.",
          "span_indices": [
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            136,
            137,
            138
          ]
        },
        {
          "episode_id": 20,
          "start_time": 813.0,
          "end_time": 879.0,
          "description": "Wipe stovetop, stir white pot, add liquid from glass bottle, and store items in fridge.",
          "span_indices": [
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            141,
            142,
            143,
            144,
            145
          ]
        }
      ]
    },
    {
      "sub_goal_id": 5,
      "start_time": 879.0,
      "end_time": 1097.6,
      "description": "Remove idlis from steamer, arrange on plates, pour liquid, and serve yellow curry.",
      "episodes": [
        {
          "episode_id": 21,
          "start_time": 879.0,
          "end_time": 912.7,
          "description": "Remove lid from steamer pot, retrieve metal plates and steamed idlis, place spoons.",
          "span_indices": [
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            149,
            150,
            151,
            152
          ]
        },
        {
          "episode_id": 22,
          "start_time": 912.7,
          "end_time": 916.3,
          "description": "Stir yellow curry in pot with spoon.",
          "span_indices": [
            153,
            154
          ]
        },
        {
          "episode_id": 23,
          "start_time": 916.3,
          "end_time": 928.8,
          "description": "Place small bowl on lower plate and take metal cups from cabinet drawer.",
          "span_indices": [
            155,
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            159,
            160
          ]
        },
        {
          "episode_id": 24,
          "start_time": 928.8,
          "end_time": 947.1,
          "description": "Pick up idli plates from steamer and arrange idlis on countertop.",
          "span_indices": [
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            166
          ]
        },
        {
          "episode_id": 25,
          "start_time": 947.1,
          "end_time": 970.5,
          "description": "Open copper storage container, take copper cup, and pour liquid over idlis.",
          "span_indices": [
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            173
          ]
        },
        {
          "episode_id": 26,
          "start_time": 970.5,
          "end_time": 981.7,
          "description": "Pick up glass from countertop and walk to dining area and back.",
          "span_indices": [
            174,
            175,
            176
          ]
        },
        {
          "episode_id": 27,
          "start_time": 981.7,
          "end_time": 1023.4,
          "description": "Pick up third idli plate, transfer idlis to serving plate, and stack empty plates.",
          "span_indices": [
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            182
          ]
        },
        {
          "episode_id": 28,
          "start_time": 1023.4,
          "end_time": 1042.0,
          "description": "Wipe countertop and stove with cloth, place empty plates in steamer, and cover.",
          "span_indices": [
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            188,
            189
          ]
        },
        {
          "episode_id": 29,
          "start_time": 1042.0,
          "end_time": 1067.9,
          "description": "Wipe stove surface, spread cloth, carry steamer pot to sink, and store kitchenware.",
          "span_indices": [
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            191,
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            193,
            194,
            195,
            196
          ]
        },
        {
          "episode_id": 30,
          "start_time": 1067.9,
          "end_time": 1072.5,
          "description": "Turn on faucet, wash hands, and turn off faucet.",
          "span_indices": [
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            199
          ]
        },
        {
          "episode_id": 31,
          "start_time": 1072.5,
          "end_time": 1094.1,
          "description": "Pick up yellow curry pot, carry to serving tray, and pour curry into bowl.",
          "span_indices": [
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          ]
        },
        {
          "episode_id": 32,
          "start_time": 1094.1,
          "end_time": 1097.6,
          "description": "Pick up serving tray with food and carry to dining area.",
          "span_indices": [
            207,
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          ]
        }
      ]
    }
  ]
}