{
  "session_id": "session_data_20260407_063503",
  "total_duration_s": 1275.0,
  "n_input_spans": 157,
  "session_goal": "Prepare ginger drink and dough, wash metal dishes and vegetables, and cook rotis with ghee on stove.",
  "sub_goals": [
    {
      "sub_goal_id": 1,
      "start_time": 0.0,
      "end_time": 361.0,
      "description": "Prepare ginger drink on stove and knead flour dough in a metal bowl.",
      "episodes": [
        {
          "episode_id": 1,
          "start_time": 0.0,
          "end_time": 20.0,
          "description": "Set up stove with a metal pot of water and ignite burner.",
          "span_indices": [
            0,
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            5
          ]
        },
        {
          "episode_id": 2,
          "start_time": 20.0,
          "end_time": 49.0,
          "description": "Grate and squeeze ginger, then pour juice into the pot.",
          "span_indices": [
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            8,
            9
          ]
        },
        {
          "episode_id": 3,
          "start_time": 49.0,
          "end_time": 87.0,
          "description": "Add contents from yellow-lidded container and sugar to the pot.",
          "span_indices": [
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            14
          ]
        },
        {
          "episode_id": 4,
          "start_time": 87.0,
          "end_time": 122.0,
          "description": "Adjust stove burners, pour more yellow contents, and arrange containers.",
          "span_indices": [
            15,
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          ]
        },
        {
          "episode_id": 5,
          "start_time": 122.0,
          "end_time": 172.0,
          "description": "Scoop flour from storage container into a metal bowl.",
          "span_indices": [
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          ]
        },
        {
          "episode_id": 6,
          "start_time": 172.0,
          "end_time": 193.0,
          "description": "Pour liquid from yellow container into flour bowl and set strainer.",
          "span_indices": [
            26,
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            28
          ]
        },
        {
          "episode_id": 7,
          "start_time": 193.0,
          "end_time": 281.0,
          "description": "Knead dough in large metal bowl.",
          "span_indices": [
            29
          ]
        },
        {
          "episode_id": 8,
          "start_time": 281.0,
          "end_time": 296.0,
          "description": "Strain ginger drink from pot into pink cup through strainer.",
          "span_indices": [
            30,
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          ]
        },
        {
          "episode_id": 9,
          "start_time": 296.0,
          "end_time": 361.0,
          "description": "Continue kneading dough in metal bowl.",
          "span_indices": [
            32,
            33
          ]
        }
      ]
    },
    {
      "sub_goal_id": 2,
      "start_time": 361.0,
      "end_time": 746.0,
      "description": "Wash metal dishes and vegetables in sink, then wipe countertop with cloths.",
      "episodes": [
        {
          "episode_id": 1,
          "start_time": 361.0,
          "end_time": 454.0,
          "description": "Rinse chopped vegetables in green colander under running water.",
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            42
          ]
        },
        {
          "episode_id": 2,
          "start_time": 454.0,
          "end_time": 526.0,
          "description": "Wash metal dishes and a frying pan with a sponge.",
          "span_indices": [
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            46,
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            50
          ]
        },
        {
          "episode_id": 3,
          "start_time": 526.0,
          "end_time": 600.0,
          "description": "Rinse metal dishes and stack them on countertop.",
          "span_indices": [
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            64
          ]
        },
        {
          "episode_id": 4,
          "start_time": 600.0,
          "end_time": 632.0,
          "description": "Place washed dishes into dish rack and a small dish in cabinet.",
          "span_indices": [
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          ]
        },
        {
          "episode_id": 5,
          "start_time": 632.0,
          "end_time": 660.0,
          "description": "Wash metal pot and hands in the sink.",
          "span_indices": [
            72,
            73
          ]
        },
        {
          "episode_id": 6,
          "start_time": 660.0,
          "end_time": 746.0,
          "description": "Reposition green basket, wipe counter with red and pink cloths, wash hands and strainer pot, and arrange metal plates.",
          "span_indices": [
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            78,
            79,
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          ]
        }
      ]
    },
    {
      "sub_goal_id": 3,
      "start_time": 746.0,
      "end_time": 1274.4,
      "description": "Make plain and layered rotis by rolling and cooking dough on a tawa.",
      "episodes": [
        {
          "episode_id": 1,
          "start_time": 746.0,
          "end_time": 790.0,
          "description": "Knead dough in metal bowl and divide into small pieces.",
          "span_indices": [
            84,
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          ]
        },
        {
          "episode_id": 2,
          "start_time": 790.0,
          "end_time": 826.0,
          "description": "Shape dough into ball, coat in flour, and roll out with rolling pin.",
          "span_indices": [
            86,
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          ]
        },
        {
          "episode_id": 3,
          "start_time": 826.0,
          "end_time": 870.0,
          "description": "Prepare seasoning mix with salt and oil, spread on dough, and fold into layered square.",
          "span_indices": [
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          ]
        },
        {
          "episode_id": 4,
          "start_time": 870.0,
          "end_time": 930.5,
          "description": "Shape second dough, roll, spread seasoning, and place discs on stove.",
          "span_indices": [
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            100
          ]
        },
        {
          "episode_id": 5,
          "start_time": 930.5,
          "end_time": 982.0,
          "description": "Knead dough, flip roti, spread oil, and transfer cooked roti to bowl.",
          "span_indices": [
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          ]
        },
        {
          "episode_id": 6,
          "start_time": 982.0,
          "end_time": 1003.0,
          "description": "Roll dough into thin roti, cook on tawa, and transfer to bowl.",
          "span_indices": [
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          ]
        },
        {
          "episode_id": 7,
          "start_time": 1003.0,
          "end_time": 1065.0,
          "description": "Press dough flat, roll thin, cook with oil on tawa, and transfer.",
          "span_indices": [
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          ]
        },
        {
          "episode_id": 8,
          "start_time": 1065.0,
          "end_time": 1102.0,
          "description": "Knead multiple dough balls, cook roti on tawa, and transfer.",
          "span_indices": [
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            125
          ]
        },
        {
          "episode_id": 9,
          "start_time": 1102.0,
          "end_time": 1142.0,
          "description": "Roll dough, spread oil, fold into layered disc, and place on tawa.",
          "span_indices": [
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            131
          ]
        },
        {
          "episode_id": 10,
          "start_time": 1142.0,
          "end_time": 1179.0,
          "description": "Press dough flat, knead round, dip in flour, roll, and cook with oil.",
          "span_indices": [
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          ]
        },
        {
          "episode_id": 11,
          "start_time": 1179.0,
          "end_time": 1200.0,
          "description": "Spread oil on rolled dough, fold into layered disc, and roll.",
          "span_indices": [
            138,
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          ]
        },
        {
          "episode_id": 12,
          "start_time": 1200.0,
          "end_time": 1255.5,
          "description": "Roll dough, place on pan, flip, add ghee, and cook flatbread.",
          "span_indices": [
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          ]
        },
        {
          "episode_id": 13,
          "start_time": 1255.5,
          "end_time": 1274.4,
          "description": "Place dough on pan, knead new ball, dip in flour, and press on pan.",
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          ]
        }
      ]
    }
  ]
}