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: there are 4 expensive restaurants where kids are allowed.
Original Reference: there are 4 expensive restaurant -s that allow kid -s.

SOLUTION: 1

PROBLEM: System Reference: what area are you looking for?
Original Reference: this is the hotel information system. you can ask for hotel -s by price range, whether they accepts card -s or have internet.

SOLUTION: 0

PROBLEM: System Reference: there is a modern european restaurant called nopa.
Original Reference: nopa serves modern european.

SOLUTION:
1