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.

System Reference: x is a restaurant in the city centre.
Original Reference: x is a restaurant in the city centre.
1

System Reference: what area are you looking for?
Original Reference: where would you like to look?.
0

System Reference: the phone number for crustacean restaurant is 4157762722.
Original Reference: the phone number to crustacean restaurant is 4157762722.

1