INIT: add afqmc dataset

AFQMC.py

@@ -57,7 +57,7 @@ class AFQMCConfig(datasets.GeneratorBasedBuilder):
             features=datasets.Features({
                 "sentence1": datasets.Value("string"),
                 "sentence2": datasets.Value("string"),
-                "label": datasets.ClassLabel(num_classes=2, names=['not similar', 'similar', 'not define']),
+                "label": datasets.ClassLabel(num_classes=2, names=['not similar', 'similar']),
             }),
             homepage=_HOMEPAGE,
             citation=_CITATION,
@@ -110,7 +110,7 @@ class AFQMCConfig(datasets.GeneratorBasedBuilder):
                 s = {
                     'sentence1': data['sentence1'],
                     'sentence2': data['sentence2'],
-                    'label': 'not define'
+                    'label': 'not similar',
                 }
                 if 'label' in data:
                     s['label'] = 'not similar' if data['label'] == '0' else 'similar'