text: {"answer": "motorcycle", "query": "What is the man riding on?", "question_id": 312341008, "contrast_sets": [{"mutex_answer": "moped", "mutex_caption": "Person on a moped at a cross walk looking at camera.", "mutex_detection": "moped"}, {"mutex_answer": "bike", "mutex_caption": "Person on a bike at a cross walk looking at camera.", "mutex_detection": "bike"}, {"mutex_answer": "dirt bike", "mutex_caption": "Person on a dirt bike at a cross walk looking at camera.", "mutex_detection": "dirt bike"}, {"mutex_answer": "vespa", "mutex_caption": "Person on a vespa at a cross walk looking at camera.", "mutex_detection": "vespa"}, {"mutex_answer": "bus", "mutex_caption": "Person on a bus at a cross walk looking at camera.", "mutex_detection": "bus"}], "caption": "Person on a motorcycle at a cross walk looking at camera.", "image_id": 312341, "detection": "motorcycle", "boxes": [[289.7, 126.67, 56.46, 73.03], [174.42, 135.09, 151.2, 124.37]], "id": 787, "file_name": "COCO_val2014_000000312341.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000312341.jpg", "flickr_url": "http://farm1.staticflickr.com/105/279050254_bd402868df_z.jpg", "license": 3, "height": 333, "width": 500}