["language:en", "arxiv:1909.04739", "region:us"]
[{"name": "question_stem", "dtype": "string"}, {"name": "question_para_step", "sequence": "string"}, {"name": "answer_label", "dtype": "string"}, {"name": "answer_label_as_choice", "dtype": "string"}, {"name": "choices", "sequence": [{"name": "text", "dtype": "string"}, {"name": "label", "dtype": "string"}]}, {"name": "metadata_question_id", "dtype": "string"}, {"name": "metadata_graph_id", "dtype": "string"}, {"name": "metadata_para_id", "dtype": "string"}, {"name": "metadata_question_type", "dtype": "string"}, {"name": "metadata_path_len", "dtype": "int32"}]