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.

Example Input: 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.
Example Output: 0

Example Input: System Reference: the name is queen anne hotel and it is a nice hotel.
Original Reference: the queen anne hotel is a nice hotel.
Example Output: 0

Example Input: System Reference: x is a restaurant in the city centre near x.
Original Reference: x is a restaurant near x in the centre of town.
Example Output:
0