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: zuni cafe, is expensive.
Original Reference: how about zuni cafe, an expensive one?.

Output: 1


Input: Consider Input: System Reference: there is a shanghainese restaurant called bund shanghai restaurant.
Original Reference: bund shanghai restaurant serves shanghainese food.

Output: 1


Input: Consider Input: System Reference: udupi palace 's address is 1007 valencia street.
Original Reference: the address of udupi palace is 1007 valencia street.


Output: 1