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 is a shanghainese restaurant called bund shanghai restaurant.
Original Reference: there is a place called bund shanghai restaurant that serves shanghainese food.

Output: 1


Input: Consider Input: System Reference: x is a restaurant in the expensive price range.
Original Reference: x is a restaurant in the expensive price range.

Output: 1


Input: Consider Input: System Reference: x is a restaurant in x.
Original Reference: i recommend x restaurant in x.


Output: 1