updated file format

lotte.py

@@ -178,7 +178,7 @@ class NewDataset(datasets.GeneratorBasedBuilder):
                 data = json.loads(row)
 
                 current_query = data[i]
-                yield i, {
+                yield key, {
                         "qid": current_query["qid"],
                         "query": current_query["query"],
                         "score": current_query["score"],