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 the centre of town near x.
Original Reference: x is a restaurant near x in the city centre.
Example Output: 1

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

Example Input: System Reference: the inn on castro is located in the castro area.
Original Reference: inn on castro is located in castro area.
Example Output:
0