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: may i help you further?
Original Reference: what do you mean.

SOLUTION: 1

PROBLEM: System Reference: are you looking for somewhere that kids are allowed?
Original Reference: do you want to know if kid -s are allowed or not?.

SOLUTION: 1

PROBLEM: System Reference: there are 51 expensively priced restaurants which do a good dinner service.
Original Reference: i found 51 expensive restaurant -s that do a good dinner service.

SOLUTION:
1