text: {"answer": "big", "query": "How big is the truck?", "question_id": 169712001, "contrast_sets": [{"mutex_answer": "small", "mutex_caption": "A small rig truck in a parking lot without a trailer."}, {"mutex_answer": "medium-sized", "mutex_caption": "A medium-sized rig truck in a parking lot without a trailer."}], "caption": "A big rig truck in a parking lot without a trailer.", "image_id": 169712, "id": 290, "file_name": "COCO_val2014_000000169712.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000169712.jpg", "flickr_url": "http://farm9.staticflickr.com/8145/6962129012_3769b56d57_z.jpg", "license": 3, "height": 427, "width": 640}