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: x is a restaurant near x.
Original Reference: x is a restaurant near the x.

Output: 1


Input: Consider Input: System Reference: there are no children allowed at butterfly.
Original Reference: no, butterfly does not allow kid -s.

Output: 1


Input: Consider Input: System Reference: where would you like it to be near to?
Original Reference: where would you like to be close to?.


Output: 0