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.

System Reference: what area are you looking for?
Original Reference: what area would you like to stay?.
0

System Reference: zero restaurants in the bernal heights area in the expensive price range.
Original Reference: there are no expensive restaurant -s in bernal heights.
1

System Reference: what price range are you comfortable with?
Original Reference: what is the price range that you are looking for?.

1