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 a restaurant in x, near to x and x in the expensive price range.
Original Reference: x is an expensive restaurant in x near x and x.
Example Output: 1

Example Input: System Reference: what price range are you comfortable with?
Original Reference: would you like to hear the restaurant -s price range?.
Example Output: 1

Example Input: System Reference: i am sorry i am not finding any hotels in the thomas paine square area.
Original Reference: there is no hotel in the area of thomas paine square.
Example Output:
0