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.

Q: System Reference: i am sorry. i did not find any expensive restaurants in outer richmond.
Original Reference: there are no restaurant -s in the outer richmond area in the expensive price range.

A: 0
****
Q: System Reference: he inn at the presidio is located near presidio.
Original Reference: the inn at the presidio is located near presidio.

A: 0
****
Q: System Reference: frances, is moderately prices and does not allow children.
Original Reference: frances is a moderate -ly priced restaurant that does not allow kid -s.

A:
1
****