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: i regret that there are no restaurants near the bayview heights.
Original Reference: i could not find any restaurant -s in bayview heights.
[EX A]: 1

[EX Q]: System Reference: what price range are you comfortable with?
Original Reference: can i help you find the price range for a restaurant?.
[EX A]:
1