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 are you looking for?
Original Reference: what part of town do you want to dine in?.
Example Output: 0

Example Input: System Reference: the nob hill motor inn accepts credit cards in nob hill does not allow dogs.
Original Reference: nob hill motor inn takes credit card -s and does not allow dogs, it is located near nob hill.
Example Output: 0

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