task_categories:text-retrieval task_categories:question-answering source_datasets:NaturalQuestions source_datasets:MSMARCO language:en license:cc-by-sa-3.0 size_categories:10M<n<100M format:json modality:text library:datasets library:pandas library:mlcroissant library:polars region:us natural-langauge-understanding Boolean-logic text-retrieval