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: there is a hotel called in the metro hotel and in the area of alamo square.
Original Reference: metro hotel is in the area of alamo square.
Example Output: 0

Example Input: System Reference: kiss seafood, is expensive.
Original Reference: kiss seafood is expensive.
Example Output:
1