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: may i ask near where?
Original Reference: what is that near?.
Example Output: 0

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

Example Input: System Reference: what price range are you comfortable with?
Original Reference: what price range did you want?.
Example Output:
1