I can define and eval BNF definitions

evaluators/MutipleSameSuccessEvaluator.py

@@ -1,5 +1,4 @@
 from core.builtin_concepts import BuiltinConcepts
-from core.concept import Concept
 import core.builtin_helpers
 from evaluators.BaseEvaluator import AllReturnValuesEvaluator, BaseEvaluator
 import logging
@@ -13,6 +12,8 @@ class MultipleSameSuccessEvaluator(AllReturnValuesEvaluator):
     """
     Used to filter the responses
     It has a low priority to let other evaluators try to resolve the errors
+
+    It reduces the responses when several evaluators give the same answer
     """
 
     NAME = "MultipleSameSuccess"