["size_categories:1K<n<10K", "format:parquet", "modality:text", "library:datasets", "library:pandas", "library:mlcroissant", "library:polars", "region:us"]
[{"name": "tokens", "sequence": "string"}, {"name": "CEFR", "sequence": "string"}, {"name": "ner_tags", "sequence": {"class_label": {"names": {"0": "0", "1": "A1", "2": "A2", "3": "B1", "4": "B2", "5": "C1", "6": "C2"}}}}]