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: x is a restaurant in x if you are seeking something expensive.
Original Reference: x is an expensive restaurant in x.

Output: 1


Input: Consider Input: System Reference: the phone number for beijing restaurant is 4153338182.
Original Reference: the phone number of beijing restaurant is 4153338182.

Output: 1


Input: Consider Input: System Reference: what area are you looking for?
Original Reference: what area would you like me to search in for a restaurant?.


Output: 0