task_categories:text-generation task_categories:question-answering task_ids:text-simplification task_ids:language-modeling task_ids:open-domain-qa annotations_creators:no-annotation language_creators:machine-generated multilinguality:monolingual source_datasets:extended|c4 language:en license:odc-by size_categories:100K<n<1M format:parquet modality:text library:datasets library:dask library:mlcroissant library:polars arxiv:1910.10683 region:us question-generation question_generation open-domain-qg qg