task_categories:text-classification task_categories:question-answering task_categories:text-generation language:en license:cc-by-nc-sa-4.0 license:odc-by size_categories:10K<n<100K format:json modality:tabular modality:text library:datasets library:dask library:polars library:mlcroissant arxiv:2506.21532 region:us healthchat healthcare conversations in-the-wild wildchat lmsys