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: where are you looking for a hotel?.
Example Output: 0

Example Input: System Reference: may i ask near where?
Original Reference: would you like to search for hotel -s near you?.
Example Output: 0

Example Input: System Reference: x is an expensive restaurant, in the x area near x.
Original Reference: x is an expensive restaurant, in the x area near x .
Example Output:
1