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 price range are you comfortable with?
Original Reference: can you give me an idea of how much you want to spend?.
Example Output: 1

Example Input: System Reference: the phone number for la mediterranee is 4159212956.
Original Reference: the phone number for la mediterranee is 4159212956.
Example Output: 1

Example Input: System Reference: what area are you looking for?
Original Reference: in what area would you want to know?.
Example Output:
0