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: please confirm you are looking for the inexpensive range?
Original Reference: just to make sure, you are looking for a inexpensive hotel?.
[EX A]: 0

[EX Q]: System Reference: may i ask near where?
Original Reference: do you care what it is near to?.
[EX A]: 0

[EX Q]: System Reference: the name of the restaurant is spruce.
Original Reference: there is a nice restaurant called spruce.
[EX A]:
1