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: what area would you like the restaurant to be in?
Original Reference: in what area are you looking?.

Output: 1


Input: Consider Input: System Reference: what area are you looking for?
Original Reference: what area would you like to stay?.

Output: 0


Input: Consider Input: System Reference: the name of the restaurant is beijing restaurant.
Original Reference: the beijing restaurant is a nice restaurant.


Output: 1