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: which area do you want?.
Example Output: 0

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

Example Input: System Reference: alamo square seafood grill, is near alamo square, does not allow kids for dinner.
Original Reference: alamo square seafood grill is near alamo square, good for dinner and child -s are not allowed.
Example Output:
1