TASK DEFINITION: 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.
PROBLEM: System Reference: range is a nice restaurant.
Original Reference: here is a nice restaurant called range.

SOLUTION: 0

PROBLEM: System Reference: what price range are you comfortable with?
Original Reference: what price range would you prefer?.

SOLUTION: 1

PROBLEM: System Reference: the name of the restaurant is range.
Original Reference: range is a great restaurant.

SOLUTION:
1