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: la traviata, is moderate.
Original Reference: la traviata 's price range is moderate.
0

System Reference: x is a restaurant in the riverside area near x.
Original Reference: i would recommend x a restaurant near x in the riverside.
1

System Reference: the name of the restaurant is fifth floor.
Original Reference: fifth floor is a nice restaurant.

1