task_categories:video-text-to-text language:en license:cc-by-nc-sa-4.0 size_categories:1K<n<10K format:parquet modality:tabular modality:text modality:video library:datasets library:pandas library:mlcroissant library:polars arxiv:2508.19650 region:us video-understanding large-video-language-models lvlm positional-bias benchmark evaluation