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 help you further?
Original Reference: what do you mean.
Example Output: 1

Example Input: System Reference: where would you like it to be near to?
Original Reference: is there an area you would like to be near?.
Example Output: 0

Example Input: System Reference: x is an indian restaurant in x and x.
Original Reference: x is an indian restaurant in x near x.
Example Output:
1