small change to regex

lm_eval/tasks/mathqa.py

@@ -18,7 +18,7 @@ class MathQA(HFTask, MultipleChoiceTask):
     def _convert_standard(self, doc):
 
         answer_idx = ['a', 'b', 'c', 'd', 'e'].index(doc['correct'])
-        choices = [c[4:].rstrip(" ,") for c in re.findall(r"[abcd] \) .*?, |e .*?$", doc['options'])]
+        choices = [c[4:].rstrip(" ,") for c in re.findall(r"[abcd] \) .*?, |e \) .*?$", doc['options'])]
 
         out_doc = {
             "query": "Question: " + doc['Problem'] +"\nAnswer:",