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.

Example Input: System Reference: what area would you like the restaurant to be in?
Original Reference: in what area are you looking?.
Example Output: 1

Example Input: System Reference: x is an expensive restaurant near x.
Original Reference: x is an expensive restaurant located near x.
Example Output: 0

Example Input: System Reference: arabian nights restaurant 's address is 2345 mission street, and its phone number is 4156481444.
Original Reference: arabian nights restaurant is located at 2345 mission street and can be reached by phone at 4156481444.
Example Output:
1