text: {"answer": "skis", "query": "What is on his feet?", "question_id": 328284003, "contrast_sets": [{"mutex_answer": "sled", "mutex_caption": "a man sleds on some snow in the woods", "mutex_detection": "sled"}], "caption": "a man skiing on some snow in the woods", "image_id": 328284, "detection": "skis", "boxes": [[259.99, 253.99, 171.73, 81.55]], "id": 476, "file_name": "COCO_val2014_000000328284.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000328284.jpg", "flickr_url": "http://farm5.staticflickr.com/4106/5176799087_479cc94f1b_z.jpg", "license": 1, "height": 425, "width": 640}