task_categories:question-answering task_ids:open-domain-qa task_ids:open-domain-abstractive-qa task_ids:extractive-qa task_ids:abstractive-qa annotations_creators:crowdsourced language_creators:machine-generated multilinguality:monolingual source_datasets:original language:en license:unknown size_categories:100K<n<1M format:parquet modality:text library:datasets library:dask library:mlcroissant library:polars arxiv:1705.03551 region:us