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: there is a spanish restaurant called piperade.
Original Reference: do you want to try piperade, its spanish food.
Example Output: 1

Example Input: System Reference: the price is 22 euro at chow.
Original Reference: the price of chow is 22 euro.
Example Output:
0