text: {"answer": "green", "query": "What color is this school bus?", "question_id": 436738011, "contrast_sets": [{"mutex_answer": "blue", "mutex_caption": "A blue bus driving down a street."}, {"mutex_answer": "gray", "mutex_caption": "A gray bus driving down a street."}, {"mutex_answer": "blue and green", "mutex_caption": "A blue and green bus driving down a street."}, {"mutex_answer": "black and white", "mutex_caption": "A black and white bus driving down a street."}, {"mutex_answer": "tan", "mutex_caption": "A tan bus driving down a street."}], "caption": "A green bus driving down a street.", "image_id": 436738, "id": 75, "file_name": "COCO_val2014_000000436738.jpg", "coco_url": "http://images.cocodataset.org/val2014/COCO_val2014_000000436738.jpg", "flickr_url": "http://farm3.staticflickr.com/2307/2329698703_d3ac0f3200_z.jpg", "license": 3, "height": 486, "width": 500}