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: do you not to restaurant restaurants that are?
Original Reference: the area does not matter?.
[EX A]: 0

[EX Q]: System Reference: there are 4 japanese restaurants in the expensive price range.
Original Reference: there are 4 other restaurant -s that are expensive japanese restaurant -s.
[EX A]: 1

[EX Q]: System Reference: may i help you further?
Original Reference: do you want anything else?.
[EX A]:
1