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 chinese restaurant near the river.
Original Reference: there is a chinese restaurant on the riverside called x.
Example Output: 1

Example Input: System Reference: thai cottage restaurant, is cheap.
Original Reference: thai cottage restaurant is cheap.
Example Output: 1

Example Input: System Reference: may i ask near where?
Original Reference: what area would like you like to search?.
Example Output:
0