task_categories:image-text-to-text license:cc-by-nc-4.0 size_categories:10K<n<100K format:parquet modality:image modality:text library:datasets library:dask library:mlcroissant library:polars arxiv:2505.22334 region:us multimodal reasoning reinforcement-learning chain-of-thought supervised-fine-tuning cold-start sft