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: the phone number for eiji is 4155588149.
Original Reference: the phone number of eiji is 4155588149.

Output: 1


Input: Consider Input: System Reference: what area are you looking for?
Original Reference: what part of the city are you looking at.

Output: 0


Input: Consider Input: System Reference: the phone number for great eastern restaurant is 4159862500.
Original Reference: great eastern restaurant -s phone number is 4159862500.
Output: 1