text: {"answer": "bus", "query": "What type of vehicle is parked next to the curb?", "question_id": 408138007, "contrast_sets": [{"mutex_answer": "train", "mutex_caption": "A blue and white double decker train next to a barrier.", "mutex_detection": "train"}, {"mutex_answer": "trolley", "mutex_caption": "A blue and white double decker trolley next to a barrier.", "mutex_detection": "trolley"}, {"mutex_answer": "boat", "mutex_caption": "A blue and white double decker boat next to a barrier.", "mutex_detection": "boat"}, {"mutex_answer": "coach", "mutex_caption": "A blue and white double decker coach next to a barrier.", "mutex_detection": "coach"}, {"mutex_answer": "buggy", "mutex_caption": "A blue and white double decker buggy next to a barrier.", "mutex_detection": "buggy"}], "caption": "A blue and white double decker bus next to a barrier.", "image_id": 408138, "detection": "bus", "boxes": [[312.19, 268.42, 112.81, 117.83], [0.0, 60.27, 315.7, 476.41]], "id": 1401, "file_name": "COCO_val2014_000000408138.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000408138.jpg", "flickr_url": "http://farm3.staticflickr.com/2856/9142492818_0d52dd5cca_z.jpg", "license": 6, "height": 640, "width": 425}