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 area are you looking for?
Original Reference: where is the requested area where the hotel is.
Example Output: 0

Example Input: System Reference: the phone number for shangri la vegetarian restaurant is 4157312548.
Original Reference: the phone number for shangri la vegetarian restaurant is 4157312548.
Example Output: 1

Example Input: System Reference: little delhi 's address is 83 eddy street.
Original Reference: little delhi is located at 83 eddy street.
Example Output:
1