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: i am sorry but there are no hotels in the area of north waterfront.
Original Reference: i am sorry but there are not hotel -s in the area of north waterfront.
Example Output: 0

Example Input: System Reference: x is a chinese restaurant near x and x in x near x.
Original Reference: x is a chinese restaurant in the x area near x.
Example Output: 0

Example Input: System Reference: x serves french and continental food takeaway a restaurant that serves me i'm.
Original Reference: x is a continental restaurant serving french food.
Example Output:
0