task_categories:image-text-to-text task_categories:visual-question-answering language:en size_categories:1K<n<10K format:parquet modality:tabular modality:text library:datasets library:pandas library:mlcroissant library:polars arxiv:2510.02240 region:us visual-question-answering multimodal reinforcement-learning visual-reasoning spatial-reasoning transit-maps