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

Output: 1


Input: Consider Input: System Reference: shangri la vegetarian restaurant 's address is 2026 irving street.
Original Reference: shangri la vegetarian restaurant address is 2026 irving street.

Output: 1


Input: Consider Input: System Reference: there is a arabian restaurant called arabian nights restaurant.
Original Reference: arabian nights restaurant serves arabian food.


Output: 1