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: butterfly serves vietnamese food at a expensive price range.
Original Reference: butterfly is an expensive vietnamese restaurant.
Example Output: 1

Example Input: System Reference: may i ask near where?
Original Reference: in which area are you looking for a hotel?.
Example Output: 0

Example Input: System Reference: what area are you looking for?
Original Reference: what area are you looking for a hotel in?.
Example Output:
0