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: thai cottage restaurant, is cheap.
Original Reference: thai cottage restaurant is cheap.
Example Output: 1

Example Input: System Reference: what area are you looking for?
Original Reference: this is the hotel information system. you can ask for hotel -s by price range, whether they accepts card -s or have internet.
Example Output: 0

Example Input: System Reference: hakkasan, is in financial district serves cantonese food.
Original Reference: hakkasan in the financial district serves cantonese food.
Example Output:
1