Update README.md

fix STOKE equivalent pairs issue: https://github.com/Anjiang-Wei/EquiBench/issues/1

README.md

@@ -7,7 +7,7 @@ configs:
   - config_name: DCE
     data_files:
       - split: train
-        path: preprocess/DCE/pairs.jsonl
+        path: preprocess/DCE/pairs_v2.jsonl
   - config_name: OJ_A
     data_files:
       - split: train