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: what area would you prefer that the hotel is in?.
Example Output: 0

Example Input: System Reference: where is it near?
Original Reference: what is it near to?.
Example Output:
1