You are given an original reference as well as a system reference. Your task is to judge the quality of the system reference. If the utterance is grammatically correct and fluent output 1, else output 0.

[EX Q]: System Reference: da vinci villa is located at 2550 van ness ave and the phone number is 4155292500.
Original Reference: the da vinci villa is located at 2550 van ness ave and its phone number is 4155292500.
[EX A]: 0

[EX Q]: System Reference: there are 239 restaurants in any price range.
Original Reference: we have 239 restaurant -s listed for any price range.
[EX A]: 1

[EX Q]: System Reference: there are no children allowed at fifth floor.
Original Reference: fifth floor does not allow child -s.
[EX A]:
1