["task_categories:question-answering", "task_ids:extractive-qa", "annotations_creators:crowdsourced", "language_creators:crowdsourced", "language_creators:expert-generated", "multilinguality:monolingual", "source_datasets:original", "language:en", "license:cc-by-sa-3.0", "size_categories:10K<n<100K", "arxiv:1809.01494", "region:us", "conversational-qa"]
[{"name": "id", "dtype": "string"}, {"name": "utterance_id", "dtype": "string"}, {"name": "source_url", "dtype": "string"}, {"name": "snippet", "dtype": "string"}, {"name": "question", "dtype": "string"}, {"name": "scenario", "dtype": "string"}, {"name": "history", "list": [{"name": "follow_up_question", "dtype": "string"}, {"name": "follow_up_answer", "dtype": "string"}]}, {"name": "evidence", "list": [{"name": "follow_up_question", "dtype": "string"}, {"name": "follow_up_answer", "dtype": "string"}]}, {"name": "answer", "dtype": "string"}, {"name": "negative_question", "dtype": "bool_"}, {"name": "negative_scenario", "dtype": "bool_"}]