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: i did not understand. what part of the city would you like me to search?.
Example Output: 0

Example Input: System Reference: may i ask near where?
Original Reference: what are you looking to be near?.
Example Output: 0

Example Input: System Reference: casa melissa postcode is 94133.
Original Reference: casa melissa postcode is 94133.
Example Output:
0