diff --git "a/data/touchqa/touch_val.json" "b/data/touchqa/touch_val.json"
new file mode 100644--- /dev/null
+++ "b/data/touchqa/touch_val.json"
@@ -0,0 +1 @@
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"Grass", "start": 379, "end": 408}, {"video_id": "20220318_020426", "question_id": "1193", "question": "What material is the person touching?", "answer": "Grass", "start": 641, "end": 669}, {"video_id": "20220318_020426", "question_id": "1194", "question": "What material is the person touching?", "answer": "Grass", "start": 861, "end": 885}, {"video_id": "20220318_020426", "question_id": "1195", "question": "What material is the person touching?", "answer": "Grass", "start": 1295, "end": 1364}, {"video_id": "20220318_020426", "question_id": "1196", "question": "What material is the person touching?", "answer": "Grass", "start": 1455, "end": 1617}, {"video_id": "20220318_020426", "question_id": "1197", "question": "What material is the person touching?", "answer": "Grass", "start": 1772, "end": 1792}, {"video_id": "20220318_020426", "question_id": "1198", "question": "What material is the person touching?", "answer": "Grass", "start": 2068, "end": 2189}, {"video_id": "20220318_020426", 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"answer": "Synthetic Fabric", "start": 37442, "end": 37577}, {"video_id": "20220520_181122", "question_id": "3161", "question": "What material is the person touching?", "answer": "Synthetic Fabric", "start": 40047, "end": 40083}, {"video_id": "20220520_181122", "question_id": "3162", "question": "What material is the person touching?", "answer": "Synthetic Fabric", "start": 45210, "end": 45239}, {"video_id": "20220520_181122", "question_id": "3163", "question": "What material is the person touching?", "answer": "Synthetic Fabric", "start": 45328, "end": 45363}, {"video_id": "20220520_181122", "question_id": "3164", "question": "What material is the person touching?", "answer": "Plastic", "start": 3250, "end": 3327}, {"video_id": "20220520_181122", "question_id": "3165", "question": "What material is the person touching?", "answer": "Plastic", "start": 3870, "end": 3902}, {"video_id": "20220520_181122", "question_id": "3166", "question": "What material is the person touching?", 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4350}, {"video_id": "20220520_181122", "question_id": "3173", "question": "What material is the person touching?", "answer": "Wood", "start": 7796, "end": 7815}, {"video_id": "20220520_181122", "question_id": "3174", "question": "What material is the person touching?", "answer": "Wood", "start": 9302, "end": 9422}, {"video_id": "20220520_181122", "question_id": "3175", "question": "What material is the person touching?", "answer": "Wood", "start": 9422, "end": 9542}, {"video_id": "20220520_181122", "question_id": "3176", "question": "What material is the person touching?", "answer": "Wood", "start": 9542, "end": 9662}, {"video_id": "20220520_181122", "question_id": "3177", "question": "What material is the person touching?", "answer": "Wood", "start": 9662, "end": 9782}, {"video_id": "20220520_181122", "question_id": "3178", "question": "What material is the person touching?", "answer": "Wood", "start": 9782, "end": 9902}, {"video_id": "20220520_181122", "question_id": "3179", 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"question": "What material is the person touching?", "answer": "Concrete", "start": 65, "end": 94}, {"video_id": "20220605_202055", "question_id": "3567", "question": "What material is the person touching?", "answer": "Concrete", "start": 9948, "end": 10075}, {"video_id": "20220605_202055", "question_id": "3568", "question": "What material is the person touching?", "answer": "Grass", "start": 787, "end": 914}, {"video_id": "20220605_202055", "question_id": "3569", "question": "What material is the person touching?", "answer": "Grass", "start": 6620, "end": 6697}, {"video_id": "20220605_202055", "question_id": "3570", "question": "What material is the person touching?", "answer": "Grass", "start": 19691, "end": 19713}, {"video_id": "20220605_202055", "question_id": "3571", "question": "What material is the person touching?", "answer": "Soil", "start": 2198, "end": 2272}, {"video_id": "20220605_202055", "question_id": "3572", "question": "What material is the person touching?", "answer": 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"20220605_202055", "question_id": "3579", "question": "What material is the person touching?", "answer": "Metal", "start": 4598, "end": 4723}, {"video_id": "20220605_202055", "question_id": "3580", "question": "What material is the person touching?", "answer": "Metal", "start": 5711, "end": 5826}, {"video_id": "20220605_202055", "question_id": "3581", "question": "What material is the person touching?", "answer": "Metal", "start": 7469, "end": 7580}, {"video_id": "20220605_202055", "question_id": "3582", "question": "What material is the person touching?", "answer": "Metal", "start": 8235, "end": 8389}, {"video_id": "20220605_202055", "question_id": "3583", "question": "What material is the person touching?", "answer": "Metal", "start": 11699, "end": 11718}, {"video_id": "20220605_202055", "question_id": "3584", "question": "What material is the person touching?", "answer": "Metal", "start": 23226, "end": 23241}, {"video_id": "20220605_202055", "question_id": "3585", "question": "What 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"20220605_202055", "question_id": "3598", "question": "What material is the person touching?", "answer": "Wood", "start": 4153, "end": 4280}, {"video_id": "20220605_202055", "question_id": "3599", "question": "What material is the person touching?", "answer": "Wood", "start": 5040, "end": 5162}, {"video_id": "20220605_202055", "question_id": "3600", "question": "What material is the person touching?", "answer": "Wood", "start": 6048, "end": 6179}, {"video_id": "20220605_202055", "question_id": "3601", "question": "What material is the person touching?", "answer": "Wood", "start": 7102, "end": 7240}, {"video_id": "20220605_202055", "question_id": "3602", "question": "What material is the person touching?", "answer": "Wood", "start": 14619, "end": 14736}, {"video_id": "20220605_202055", "question_id": "3603", "question": "What material is the person touching?", "answer": "Wood", "start": 17250, "end": 17281}, {"video_id": "20220605_202055", "question_id": "3604", "question": "What 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