text: {"answer": "dog", "query": "What is walking beside the man riding a bike?", "question_id": 153692002, "contrast_sets": [{"mutex_answer": "horse", "mutex_caption": "A man riding a bike across a cross walk with a horse.", "mutex_detection": "horse"}, {"mutex_answer": "bull", "mutex_caption": "A man riding a bike across a cross walk with a bull.", "mutex_detection": "bull"}, {"mutex_answer": "cat", "mutex_caption": "A man riding a bike across a cross walk with a cat.", "mutex_detection": "cat"}, {"mutex_answer": "bike", "mutex_caption": "A man riding a bike across a cross walk with a bike.", "mutex_detection": "bike"}, {"mutex_answer": "bus", "mutex_caption": "A man riding a bike across a cross walk with a bus.", "mutex_detection": "bus"}], "caption": "A man riding a bike across a cross walk with a dog.", "image_id": 153692, "detection": "dog", "boxes": [[230.53, 322.28, 136.01, 55.79]], "id": 105, "file_name": "COCO_val2014_000000153692.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000153692.jpg", "flickr_url": "http://farm9.staticflickr.com/8071/8288873861_a24b6b421a_z.jpg", "license": 1, "height": 425, "width": 640}