["region:us"]
[{"name": "chosen_txt", "dtype": "string"}, {"name": "rejected_txt", "dtype": "string"}, {"name": "gt", "dtype": "string"}, {"name": "chosen", "dtype": "string"}, {"name": "rejected", "dtype": "string"}, {"name": "prompt", "dtype": "string"}, {"name": "margin", "dtype": "float64"}]