You are given an original reference as well as a system generated reference. Your task is to judge the naturaleness of the system generated reference. If the utterance could have been produced by a native speaker output 1, else output 0.

[EX Q]: System Reference: x is a restaurant in the expensive price range.
Original Reference: x is a restaurant in the expensive price range.
[EX A]: 1

[EX Q]: System Reference: there are 239 restaurants in any price range.
Original Reference: there are 239 restaurant -s in all price range -s.
[EX A]: 1

[EX Q]: System Reference: the name of the restaurant is piperade.
Original Reference: piperade is the restaurant.
[EX A]:
1