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.

[Q]: System Reference: what area are you looking for?
Original Reference: would you like to narrow your search down by area?.
[A]: 0


[Q]: System Reference: red door cafe, is in the hayes valley or cathedral hill area and it is address is 1608 bush street.
Original Reference: red door cafe is in the hayes valley or cathedral hill area. the address is 1608 bush street.
[A]: 0


[Q]: System Reference: what type of food would you like to eat?
Original Reference: are you looking for a certain type of food?.
[A]:
1