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 on and to x.
Original Reference: i recommend x a restaurant near x and x in x.

SOLUTION: 0

PROBLEM: System Reference: the phone number for beijing restaurant is 4153338182.
Original Reference: the phone number of beijing restaurant is 4153338182.

SOLUTION: 1

PROBLEM: System Reference: there is a shanghainese restaurant called bund shanghai restaurant.
Original Reference: bund shanghai restaurant serves shanghainese food.

SOLUTION:
1