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: what area are you looking for?
Original Reference: what area would you like to look in?.

SOLUTION: 0

PROBLEM: System Reference: do you not to restaurant restaurants that are?
Original Reference: can i confirm that you do not care about the area?.

SOLUTION: 0

PROBLEM: System Reference: the name of the restaurant is hakkasan.
Original Reference: hakkasan is a nice restaurant.

SOLUTION:
1