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: x is a restaurant in x if you are seeking something expensive.
Original Reference: x is an expensive restaurant in x.

SOLUTION: 1

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

SOLUTION: 0

PROBLEM: System Reference: there is a hotel called in the buena vista motor inn and in the area of fort mason.
Original Reference: buena vista motor inn is in the fort mason area.

SOLUTION:
0