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: the hotel des arts is in the moderate price range.
Original Reference: the hotel des arts is in the moderate price range.
Example Output: 0

Example Input: System Reference: x is a restaurant in the centre of town near x and x.
Original Reference: the restaurant x is in the centre of the city near x and x.
Example Output: 1

Example Input: System Reference: what price range are you comfortable with?
Original Reference: do you have a price range preference?.
Example Output:
1