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 area are you looking for?
Original Reference: what area for the hotel?.
[EX A]: 0

[EX Q]: System Reference: the phone number for beijing restaurant is 4153338182.
Original Reference: the phone number of beijing restaurant is 4153338182.
[EX A]: 1

[EX Q]: System Reference: vicoletto, is cheap.
Original Reference: vicoletto is a cheap restaurant.
[EX A]:
1