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 price range are you comfortable with?
Original Reference: can i confirm you are looking for price range -s?.

SOLUTION: 1

PROBLEM: System Reference: where would you like it to be near to?
Original Reference: can i help you find one near you.

SOLUTION:
0