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 price range are you comfortable with?
Original Reference: are you sure that you do not care about the price range?.

Output: 1


Input: Consider Input: System Reference: what type of food would you like to eat?
Original Reference: can i confirm that you are requesting food?.

Output: 1


Input: Consider Input: System Reference: arabian nights restaurant 's address is 2345 mission street.
Original Reference: the address to the arabian nights restaurant is 2345 mission street.


Output: 1