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 an expensive restaurant near x.
Original Reference: i would suggest x, an expensive restaurant near x .

A: 1
****
Q: System Reference: may i ask near where?
Original Reference: where would you like to be near?.

A: 0
****
Q: System Reference: there are no children allowed at firefly.
Original Reference: firefly does not allow kid -s.

A:
1
****