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: the phone number for spruce is 4159315100.
Original Reference: the phone number for spruce is 4159315100.

Output: 1


Input: Consider Input: System Reference: what area are you looking for?
Original Reference: what area specifically are you interested in?.

Output: 0


Input: Consider Input: System Reference: x is a japanese restaurant that provides chinese takeaway near x and x.
Original Reference: x is a restaurant near x and x which has japanese food and chinese takeaway food.


Output: 1