text: {"answer": "soccer cake", "query": "Which one has been nibbled on?", "question_id": 501491003, "contrast_sets": [{"mutex_answer": "chocolate cake", "mutex_caption": "A person cutting up a chocolate cake.", "mutex_detection": "chocolate cake"}], "caption": "A person cutting up a soccer ball cake.", "image_id": 501491, "detection": "soccer cake", "boxes": [[177.05, 139.66, 237.78, 228.84]], "id": 225, "file_name": "COCO_val2014_000000501491.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000501491.jpg", "flickr_url": "http://farm9.staticflickr.com/8086/8383739933_8cf1fe46e9_z.jpg", "license": 1, "height": 480, "width": 640}