["task_categories:question-answering", "language:en", "license:mit", "region:us"]
[{"name": "expert_identity", "dtype": "string"}, {"name": "question", "dtype": "string"}, {"name": "subject", "dtype": "string"}, {"name": "choices", "sequence": "string"}, {"name": "answer", "dtype": {"class_label": {"names": {"0": "A", "1": "B", "2": "C", "3": "D"}}}}]