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: do you need any more assistance?.
[EX A]: 1

[EX Q]: System Reference: the phone number for spruce is 4159315100.
Original Reference: the phone number for spruce is 4159315100.
[EX A]: 1

[EX Q]: System Reference: sushi bistro 's address is 431 balboa street.
Original Reference: the address for sushi bistro is 431 balboa street.
[EX A]:
1