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: can i double check you want a hotel that has internet?
Original Reference: do you want internet access or not?.
[EX A]: 0

[EX Q]: System Reference: x is a cheap restaurant near x.
Original Reference: x is a restaurant in the cheap price range near x.
[EX A]: 1

[EX Q]: System Reference: there are 4 expensive restaurants where kids are allowed.
Original Reference: i found 4 expensive restaurant -s that allow child -s.
[EX A]:
1