text: {"answer": "person", "query": "What is in front of the engine?", "question_id": 186624003, "contrast_sets": [{"mutex_answer": "train", "mutex_caption": "A train parked inside of a train station next to another train.", "mutex_detection": "train"}, {"mutex_answer": "stand", "mutex_caption": "A train parked inside of a train station next to a stand.", "mutex_detection": "stand"}, {"mutex_answer": "pillar", "mutex_caption": "A train parked inside of a train station next to a pillar.", "mutex_detection": "pillar"}], "caption": "A train parked inside of a train station next to a person.", "image_id": 186624, "detection": "person", "boxes": [[40.45, 297.83, 57.46, 180.08]], "id": 1027, "file_name": "COCO_val2014_000000186624.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000186624.jpg", "flickr_url": "http://farm6.staticflickr.com/5535/9272267604_d034ab2f0d_z.jpg", "license": 4, "height": 553, "width": 640}