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: can i confirm what area you are looking for a hotel near?.
Example Output: 0

Example Input: System Reference: what area are you looking for?
Original Reference: which area would you prefer?.
Example Output: 0

Example Input: System Reference: the phone number for helmand palace is 4153450072.
Original Reference: the phone number for helmand palace is 4153450072.
Example Output:
1