task_categories:reinforcement-learning task_categories:text-generation task_categories:question-answering language:en language:zh license:apache-2.0 size_categories:1K<n<10K format:parquet format:optimized-parquet modality:text library:datasets library:pandas library:polars library:mlcroissant region:us docqa document-qa long-context multi-hop-reasoning reasoning reinforcement-learning rlhf verl