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: may i ask near where?
Original Reference: what do you need the hotel to be near?.

A: 0
****
Q: System Reference: there are 2 restaurants which serve brunch.
Original Reference: i see 2 restaurant -s that serve brunch.

A:
1
****