["task_categories:text-classification", "task_ids:sentiment-classification", "task_ids:topic-classification", "annotations_creators:crowdsourced", "language_creators:found", "multilinguality:monolingual", "source_datasets:original", "language:apc", "language:ajp", "license:other", "size_categories:1K<n<10K", "arxiv:1906.01830", "region:us"]