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: i did not understand. what part of the city would you like me to search?.
Example Output: 0

Example Input: System Reference: there are 4 expensive restaurants where kids are allowed.
Original Reference: there are 4 expensive restaurant -s that allow kid -s.
Example Output: 1

Example Input: System Reference: the name is hotel monaco san francisco c a kimpton hotel and it is a nice hotel.
Original Reference: the name of the hotel is hotel monaco san francisco c a kimpton hotel.
Example Output:
0