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: which area would you prefer?.
[A]: 0


[Q]: System Reference: may i ask near where?
Original Reference: would you like to search for hotel -s near you?.
[A]: 0


[Q]: System Reference: aperto restaurant, is near the potrero hill.
Original Reference: aperto restaurant is near potrero hill.
[A]:
1