text: {"answer": "backpack", "query": "What is on the seat in front of the boy?", "question_id": 512151001, "contrast_sets": [{"mutex_answer": "suitcase", "mutex_caption": "A young man is sitting across from a seat with a suitcase on it.", "mutex_detection": "suitcase"}, {"mutex_answer": "jacket", "mutex_caption": "A young man is sitting across from a seat with a jacket on it.", "mutex_detection": "jacket"}, {"mutex_answer": "blanket", "mutex_caption": "A young man is sitting across from a seat with a blanket on it.", "mutex_detection": "blanket"}, {"mutex_answer": "cooler", "mutex_caption": "A young man is sitting across from a seat with a cooler on it.", "mutex_detection": "cooler"}, {"mutex_answer": "pillow", "mutex_caption": "A young man is sitting across from a seat with a pillow on it.", "mutex_detection": "pillow"}], "caption": "A young man is sitting across from a seat with a backpack on it.", "image_id": 512151, "detection": "backpack", "boxes": [[336.42, 126.93, 258.87, 220.04]], "id": 730, "file_name": "COCO_val2014_000000512151.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000512151.jpg", "flickr_url": "http://farm2.staticflickr.com/1412/830830745_cbd5f5aab4_z.jpg", "license": 1, "height": 480, "width": 640}