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: zero restaurants in the bernal heights area in the expensive price range.
Original Reference: there are 0 restaurant -s in the bernal heights area in the expensive price range.
[EX A]: 1

[EX Q]: System Reference: pad thai restaurant allows kids, and is good for dinner.
Original Reference: pad thai restaurant is an excellent restaurant that welcome child -s and serves dinner.
[EX A]:
1