not use ClassLabel

CrossWOZ.py

@@ -70,11 +70,11 @@ class CrossWOZ(datasets.GeneratorBasedBuilder):
                     }
                 ),
                 "task description": datasets.Value("string"),
-                "type": datasets.ClassLabel(names=["单领域", "独立多领域", "独立多领域+交通", "不独立多领域", "不独立多领域+交通"]),
+                "type": datasets.Value("string"),
                 "messages": datasets.Sequence(
                     {
                         "content": datasets.Value("string"),
-                        "role": datasets.ClassLabel(names=["usr", "sys"]),
+                        "role": datasets..Value("string"),
                         "dialog_act": datasets.Sequence(
                             {
                                 "intent": datasets.Value("string"),