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: x is a restaurant in the city centre.
Original Reference: x is a restaurant in the city centre.

A: 1
****
Q: System Reference: the name is hilton san francisco financial district and it is a nice hotel.
Original Reference: the hotel is the hilton san francisco financial district.

A: 0
****
Q: System Reference: what area are you looking for?
Original Reference: in what area are you looking?.

A:
0
****