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: where is the requested area where the hotel is.
0

System Reference: butterfly serves vietnamese food at a expensive price range.
Original Reference: butterfly is an expensive vietnamese restaurant.
1

System Reference: i have not found any restaurants with cafes food in russian hill.
Original Reference: 0 restaurant -s close to russian hill that serve cafes food.

0