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: bund shanghai restaurant serves shanghainese food.

Output: 1


Input: Consider Input: System Reference: what area are you looking for?
Original Reference: may i ask which area?.

Output: 0


Input: Consider Input: System Reference: what price range are you comfortable with?
Original Reference: please specify you price range?.
Output: 1