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.

[EX Q]: System Reference: what area are you looking for?
Original Reference: what area you looking for?.
[EX A]: 0

[EX Q]: System Reference: hotel rex has internet.
Original Reference: hotel rex does offer internet.
[EX A]: 0

[EX Q]: System Reference: what area are you looking for?
Original Reference: where are you needing a hotel?.
[EX A]:
0