task_categories:text-generation task_categories:question-answering task_categories:reinforcement-learning language:en license:apache-2.0 size_categories:1K<n<10K format:parquet format:optimized-parquet modality:text library:datasets library:pandas library:polars library:mlcroissant arxiv:1911.01547 region:us reasoning logic puzzle rlhf verl reinforcement-learning