Update miracl_bm25_negative.py

miracl_bm25_negative.py

@@ -99,7 +99,7 @@ class MsMarcoPassage(datasets.GeneratorBasedBuilder):
         
     def _generate_examples(self, files):
         """Yields examples."""
-        for filepath in files:
+        for i, filepath in enumerate(files):
             with open(filepath, encoding="utf-8") as f:
                 for line in f:
                     data = json.loads(line)
@@ -107,4 +107,4 @@ class MsMarcoPassage(datasets.GeneratorBasedBuilder):
                         data['negative_passages'] = []
                     if data.get('positive_passages') is None:
                         data['positive_passages'] = []
-                    yield data['query_id'], data
+                    yield f"{i}_" + data['query_id'], data