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: System Reference: x is a reasonably priced fast food restaurant down by river cheap.
Original Reference: x is a cheap fastfood restaurant located near the riverside.
Example solution: 1
Example explanation: The system reference could have been uttered by a native speaker.

Problem: System Reference: what area are you looking for?
Original Reference: i am sorry. can you repeat what area you are looking for?.
Solution: 0