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: may i ask near where?
Original Reference: where are you looking?.
Example Output: 0

Example Input: System Reference: are you looking for breakfast brunch lunch or dinner?
Original Reference: are you hungry for breakfast, brunch, lunch. or dinner?.
Example Output: 1

Example Input: System Reference: w san francisco accepts credit cards.
Original Reference: w san francisco accepts credit card -s.
Example Output:
0