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: what part of the city are you looking at.

A: 0
****
Q: System Reference: may i ask near where?
Original Reference: near the what part of the heights.

A: 0
****
Q: System Reference: are you looking for somewhere that kids are allowed?
Original Reference: do you want a place where kid -s are allowed?.

A:
1
****