["size_categories:1K<n<10K", "format:parquet", "modality:text", "library:datasets", "library:pandas", "library:mlcroissant", "library:polars", "region:us"]
[{"name": "From", "sequence": "string"}, {"name": "Sent", "sequence": "string"}, {"name": "To", "sequence": "string"}, {"name": "Cc", "sequence": "string"}, {"name": "Subject", "sequence": "string"}, {"name": "Attachment", "sequence": "string"}, {"name": "body", "dtype": "string"}]