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 chinese food restaurant near x and x.
Original Reference: x is a chinese food restaurant near x and x.
[EX A]: 0

[EX Q]: System Reference: what price range are you comfortable with?
Original Reference: what sort of price range would you be looking for?.
[EX A]: 1

[EX Q]: System Reference: do you not to restaurant restaurants that are?
Original Reference: please confirm that you do not care what area the restaurant is located.
[EX A]:
0