text: {"answer": "stop sign", "query": "What is the mirror reflecting?", "question_id": 574242001, "contrast_sets": [{"mutex_answer": "street sign", "mutex_caption": "A view of a mirror with a street sign, in the back.", "mutex_detection": "street sign"}, {"mutex_answer": "traffic", "mutex_caption": "A view of a mirror with a traffic light, in the back.", "mutex_detection": "traffic light"}], "caption": "A view of a mirror with a stop sign, in the back.", "image_id": 574242, "detection": "stop sign", "boxes": [[398.3, 235.82, 63.9, 45.94]], "id": 1116, "file_name": "COCO_val2014_000000574242.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000574242.jpg", "flickr_url": "http://farm5.staticflickr.com/4069/4521296888_442be3ae13_z.jpg", "license": 5, "height": 427, "width": 640}