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: what price range are you comfortable with?
Original Reference: would you like to hear the restaurant -s price range?.
[EX A]: 1

[EX Q]: System Reference: what area are you looking for?
Original Reference: would you like to search in a more specific area?.
[EX A]: 0

[EX Q]: System Reference: the hotel des arts is in the moderate price range.
Original Reference: the hotel des arts is in the moderate price range.
[EX A]:
0