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: what area are you looking for?
Original Reference: what area are you looking for a hotel?.
Example Output: 0

Example Input: System Reference: there is a comfort food restaurant called chow.
Original Reference: chow is a nice restaurant that serves comfort food.
Example Output: 1

Example Input: System Reference: x is a restaurant near x.
Original Reference: there's a x restaurant near x.
Example Output:
1