Update new data with more challenging negative examples.

phrase_similarity.py

@@ -45,9 +45,9 @@ _LICENSE = "CC-BY-NC-4.0"
 
 _URL = "https://auburn.edu/~tmp0038/PiC/"
 _SPLITS = {
-    "train": "train-v1.0.json",
-    "dev": "dev-v1.0.json",
-    "test": "test-v1.0.json",
+    "train": "train-hard-v1.0.json",
+    "dev": "dev-hard-v1.0.json",
+    "test": "test-hard-v1.0.json",
 }
 
 _PS = "PS-hard"