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: the name of the restaurant is beijing restaurant.
Original Reference: the beijing restaurant is a nice restaurant.

SOLUTION: 1

PROBLEM: System Reference: hotel rex has internet.
Original Reference: hotel rex has an internet connection.

SOLUTION: 0

PROBLEM: System Reference: x is a restaurant and its phone number is x x.
Original Reference: x is a restaurant located at x and its phone number is x.

SOLUTION:
1