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: unfortunately 0 restaurants serve cambodian are expensive.
Original Reference: there are no expensive restaurant -s in that price range that serve cambodian food.

A: 0
****
Q: System Reference: there are 2 marched if you do not can from in the area of cole valley.
Original Reference: 2 hotels can be found near cole valley.

A: 0
****
Q: System Reference: x is a restaurant in the expensive price range.
Original Reference: x is a restaurant specialising in fine dining.

A:
1
****