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: x is an italian restaurant in x.
Original Reference: x is a restaurant that serves italian food in the x area.
Example Output: 1

Example Input: System Reference: what area are you looking for?
Original Reference: asks for the area.
Example Output: 0

Example Input: System Reference: beijing restaurant is a cheap restaurant near outer mission.
Original Reference: beijing restaurant is in the cheap price range near outer mission.
Example Output:
0