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 were you looking for?.
[EX A]: 0

[EX Q]: System Reference: angkor borei restaurant, is near bernal heights, the is good for dinner, and it is in the cheap price range.
Original Reference: the angkor borei restaurant offers cheap dinner -s near to bernal heights.
[EX A]: 0

[EX Q]: System Reference: where is it near?
Original Reference: where would you like to dine nearby?.
[EX A]:
1