task_categories:video-text-to-text task_categories:visual-question-answering language:en license:mit size_categories:n<1K format:json modality:text modality:video library:datasets library:pandas library:mlcroissant library:polars arxiv:2505.08455 region:us video multimodal video-language causal-reasoning multi-step-reasoning long-form-reasoning large-video-language-model large-multimodal-model multimodal-large-language-model