add challenge set CM+T

CrossWOZ.py

@@ -202,6 +202,14 @@ class CrossWOZ(datasets.GeneratorBasedBuilder):
                     "split": "dev",
                 },
             ),
+            datasets.SplitGenerator(
+                name="challenge_CM+T",
+                # These kwargs will be passed to _generate_examples
+                gen_kwargs={
+                    "filepath": os.path.join(data_dir, "test.json"),
+                    "split": "challenge_CM+T",
+                },
+            ),
         ]
 
     def _generate_examples(
@@ -259,6 +267,8 @@ class CrossWOZ(datasets.GeneratorBasedBuilder):
         with open(filepath, encoding="utf-8") as f:
             data = json.load(f)
             for dialog_id, dialog in data.items():
+                if split == "challenge_CM+T" and dialog["type"] != "不独立多领域+交通":
+                    continue
                 messages = []
                 for turn in dialog["messages"]:
                     if "user_state" not in turn: