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.

Input: Consider Input: System Reference: source 's address is 11 division street.
Original Reference: source is located at 11 division street.

Output: 1


Input: Consider Input: System Reference: what area are you looking for?
Original Reference: what area were you looking for?.

Output: 0


Input: Consider Input: System Reference: sanjalisco is near mission.
Original Reference: sanjalisco is near mission.
Output: 0