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


[Q]: System Reference: what area are you looking for?
Original Reference: would you like to search in a more specific area?.
[A]: 0


[Q]: System Reference: what area are you looking for?
Original Reference: which area are you looking for a hotel in.
[A]:
0