task_categories:visual-question-answering task_categories:question-answering language:zh language:en license:cc-by-nc-4.0 size_categories:10K<n<100K format:parquet modality:image modality:text library:datasets library:pandas library:polars library:mlcroissant arxiv:2605.09266 region:us physics multimodal vision-language reinforcement-learning RLVR VQA