text: {"answer": "toothbrush", "query": "What is in this child's mouth?", "question_id": 500565002, "contrast_sets": [{"mutex_answer": "pacifier", "mutex_caption": "A woman is holding a baby who is wrapped in a towel and holding a pacifier", "mutex_detection": "pacifier"}, {"mutex_answer": "chewing gum", "mutex_caption": "A woman is holding a baby who is wrapped in a towel and holding a chewing gum", "mutex_detection": "chewing gum"}, {"mutex_answer": "spoon", "mutex_caption": "A woman is holding a baby who is wrapped in a towel and holding a spoon", "mutex_detection": "spoon"}, {"mutex_answer": "carrot", "mutex_caption": "A woman is holding a baby who is wrapped in a towel and holding a carrot", "mutex_detection": "carrot"}, {"mutex_answer": "toothpick", "mutex_caption": "A woman is holding a baby who is wrapped in a towel and holding a toothpick", "mutex_detection": "toothpick"}], "caption": "A woman is holding a baby who is wrapped in a towel and holding a toothbrush", "image_id": 500565, "detection": "toothbrush", "boxes": [[375.34, 307.46, 107.15, 75.04]], "id": 931, "file_name": "COCO_val2014_000000500565.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000500565.jpg", "flickr_url": "http://farm3.staticflickr.com/2604/4225275628_731384f31b_z.jpg", "license": 3, "height": 466, "width": 640}