Align label mapping with wnli config of glue dataset

config.json

@@ -40,5 +40,13 @@
   "untie_r": true,
   "use_mems_eval": true,
   "use_mems_train": false,
-  "vocab_size": 32000
-}
+  "vocab_size": 32000,
+  "label2id": {
+    "not_entailment": 0,
+    "entailment": 1
+  },
+  "id2label": {
+    "0": "not_entailment",
+    "1": "entailment"
+  }
+}