["task_categories:text-generation", "task_categories:fill-mask", "task_ids:dialogue-modeling", "annotations_creators:machine-generated", "language_creators:crowdsourced", "multilinguality:monolingual", "source_datasets:original", "language:en", "license:unknown", "size_categories:1K<n<10K", "arxiv:1808.09637", "region:us"]