text: {"answer": "serve", "query": "What is the man about to do?", "question_id": 507826000, "contrast_sets": [{"mutex_answer": "hit ball", "mutex_caption": "A professional tennis player about to hit the ball"}, {"mutex_answer": "swing", "mutex_caption": "A professional tennis player about to swing"}, {"mutex_answer": "return ball", "mutex_caption": "A professional tennis player about to return the ball"}, {"mutex_answer": "throw ball", "mutex_caption": "A professional tennis player about to throw the ball"}], "caption": "A professional tennis player about to make his serve", "image_id": 507826, "id": 230, "file_name": "COCO_val2014_000000507826.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000507826.jpg", "flickr_url": "http://farm6.staticflickr.com/5490/9373749622_cce3157224_z.jpg", "license": 5, "height": 640, "width": 419}