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: asks for the area.
[EX A]: 0

[EX Q]: System Reference: can i double check you want a hotel that has internet?
Original Reference: do you want something that has an internet?.
[EX A]: 0

[EX Q]: System Reference: what area are you looking for?
Original Reference: would you like to search in certain area?.
[EX A]:
0