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: what area are you looking for?
Original Reference: where is the requested area where the hotel is.

Output: 0


Input: Consider Input: System Reference: the phone number for beijing restaurant is 4153338182.
Original Reference: the phone number for the beijing restaurant is 4153338182.

Output: 1


Input: Consider Input: System Reference: 77 restaurants do not allow kids in the moderate range.
Original Reference: 77 restaurant -s that do not allow kid -s in the moderate range.
Output: 0