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

Example Input: System Reference: you may called the hotel kabuki, near japantown this hotel allows dogs.
Original Reference: the hotel kabuki in japantown allows dogs.
Example Output: 0

Example Input: 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.
Example Output:
0