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 price range are you comfortable with?
Original Reference: may i ask what price range?.
Example Output: 1

Example Input: System Reference: there is a hotel called in the hotel metropolis and in the area of noma.
Original Reference: hotel metropolis is in the area of noma.
Example Output: 0

Example Input: System Reference: old jerusalem restaurant serves middle eastern food for dinner and allows kids.
Original Reference: old jerusalem restaurant offers middle eastern food for dinner and allows child -s.
Example Output:
0