task_categories:question-answering task_ids:open-domain-qa task_ids:extractive-qa annotations_creators:machine-generated language_creators:found multilinguality:monolingual source_datasets:extended language:bn license:cc-by-nc-sa-4.0 size_categories:100K<n<1M arxiv:2101.00204 arxiv:2007.01852 arxiv:1606.05250 arxiv:2003.05002 region:us