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.

Q: System Reference: beijing restaurant is near mission terrace or outer mission.
Original Reference: beijing restaurant is near mission terrace or outer mission.

A: 0
****
Q: System Reference: x is a restaurant in x if you are seeking something expensive.
Original Reference: x is an expensive restaurant in x.

A: 1
****
Q: System Reference: i am sorry. i did not find any expensive restaurants in outer richmond.
Original Reference: there are no expensive restaurants in outer richmond.

A:
0
****