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 price range are you comfortable with?
Original Reference: can i confirm you are looking for price range -s?.
1

System Reference: no place other than bund shanghai restaurant that serves shanghainese food.
Original Reference: bund shanghai restaurant is the only restaurant listed serving shanghainese food.
0

System Reference: i regret that there are no restaurants near the bayview heights.
Original Reference: unfortunately there are 0 restaurant -s in the bayview heights area.
1