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        284
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      "annotation_method": "Existing per-frame location annotations. Swap pairs inferred from consecutive locations; unchanged location means the other two cups swapped. Boundaries follow the existing annotations."
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          3
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        [
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        282
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      "final_frame": 268,
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      "annotation_method": "Existing per-frame location annotations. Swap pairs inferred from consecutive locations; unchanged location means the other two cups swapped. Boundaries follow the existing annotations."
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        319
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      "annotation_method": "Existing per-frame location annotations. Swap pairs inferred from consecutive locations; unchanged location means the other two cups swapped. Boundaries follow the existing annotations."
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      "source_dataset": "0826_cup_5mix",
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        "cam_right_wrist": "../media/cup_eval_excluded/000064/cam_right_wrist.mp4"
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      "annotation_method": "Existing per-frame location annotations. Swap pairs inferred from consecutive locations; unchanged location means the other two cups swapped. Boundaries follow the existing annotations."
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      "group": "original30",
      "group_label": "First 15",
      "source_dataset": "0826_cup_5mix",
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        [
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      "annotation_method": "Existing per-frame location annotations. Swap pairs inferred from consecutive locations; unchanged location means the other two cups swapped. Boundaries follow the existing annotations."
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      "source_dataset": "0826_cup_5mix",
      "frames": 510,
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