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: what area are you looking for?
Original Reference: which area would you prefer?.

A: 0
****
Q: System Reference: can i double check you want a hotel that has internet?
Original Reference: would you like a hotel with internet or do you not care?.

A: 0
****
Q: System Reference: x is an expensive restaurant, in the x area near x, and x.
Original Reference: x is an expensive restaurant in the x area near x and x.

A:
1
****