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: x is a chinese food restaurant near x and x.
Original Reference: x is a chinese food restaurant near x and x.
[EX A]: 0

[EX Q]: System Reference: butterfly serves vietnamese food at a expensive price range.
Original Reference: butterfly is an expensive vietnamese restaurant.
[EX A]: 1

[EX Q]: System Reference: poc chuc allows kids, and serves mexican food.
Original Reference: poc chuc is a nice restaurant that serves mexican food and allows kid -s.
[EX A]:
1