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.

[EX Q]: System Reference: may i help you further?
Original Reference: can i help you with something else?.
[EX A]: 1

[EX Q]: System Reference: what area are you looking for?
Original Reference: what area of the city are you looking for?.
[EX A]: 0

[EX Q]: System Reference: fifth floor serves lounge and is good for dinner.
Original Reference: i have found the fifth floor. this restaurant is good for dinner and include lounge.
[EX A]:
0