label not matching

[xugy16]

{'annotation': {'image_id': 374041, 'id': 31929, 'caption': 'Someone sitting on an elephant standing by a fence. '}, 'task': 'elephant', 'mask': (3, 5)}

the image_id and the id (annatation_id) is not matching.

1. the image is an elephant.
2. but the id is annatation for an computer image.
   Not sure for other items in pickle.