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: i am sorry but there are no hotels in the area of north waterfront.
Original Reference: i am sorry but there are no hotel -s in the north waterfront area.

SOLUTION: 0

PROBLEM: System Reference: unfortunately 0 restaurants serve cambodian are expensive.
Original Reference: there are no expensive restaurant -s in that price range that serve cambodian food.

SOLUTION: 0

PROBLEM: System Reference: there is a chinese restaurant called beijing restaurant.
Original Reference: beijing restaurant serves chinese food.

SOLUTION:
1