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: singapore malaysian restaurant, is in the hayes valley or richmond district call 4157509518.
Original Reference: singapore malaysian restaurant is in the hayes valley or richmond district. the phone number is 4157509518.
Example Output: 0

Example Input: System Reference: may i ask near where?
Original Reference: is there a particular attraction you would like to be near?.
Example Output: 0

Example Input: System Reference: chow 's address is 215 church street.
Original Reference: chow is located at 215 church street.
Example Output:
1