text: {"answer": "fork", "query": "What is the man holding?", "question_id": 450355032, "contrast_sets": [{"mutex_answer": "spoon", "mutex_caption": "The man holding a spoon is ready to eat his meal.", "mutex_detection": "spoon"}, {"mutex_answer": "knife", "mutex_caption": "The man holding a knife is ready to eat his meal.", "mutex_detection": "knife"}, {"mutex_answer": "fork and knife", "mutex_caption": "The man holding a fork and knife is ready to eat his meal."}, {"mutex_answer": "fork and spoon", "mutex_caption": "The man holding a fork and spoon is ready to eat his meal."}, {"mutex_answer": "plate", "mutex_caption": "The man holding a plate is ready to eat his meal.", "mutex_detection": "plate"}], "caption": "The man holding a fork is ready to eat his meal.", "image_id": 450355, "detection": "fork", "boxes": [[251.47, 422.4, 111.17, 60.87]], "id": 953, "file_name": "COCO_val2014_000000450355.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000450355.jpg", "flickr_url": "http://farm5.staticflickr.com/4132/5083147517_b5f91e85dd_z.jpg", "license": 3, "height": 640, "width": 426}