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: the phone number for beijing restaurant is 4153338182.
Original Reference: the phone number of beijing restaurant is 4153338182.

A: 1
****
Q: System Reference: what area are you looking for?
Original Reference: what area were you looking for?.

A: 0
****
Q: System Reference: the inn on castro is located in the castro area.
Original Reference: the inn on castro is within the castro area.

A:
0
****