change lower value

app.py

@@ -89,8 +89,8 @@ def random_response(
     question = {
         'message': message[-1]['content'],
         'history': history_list,
-        'answer': answer.lower(),
-        'difficulty': option,
+        'answer': answer,
+        'difficulty': option.lower(),
         'gameSelection': game_selection,
     }