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: x is a chinese restaurant near the river.
Original Reference: there is a chinese restaurant on the riverside called x.
[EX A]: 1

[EX Q]: System Reference: may i ask near where?
Original Reference: where are you looking?.
[EX A]: 0

[EX Q]: System Reference: may i ask near where?
Original Reference: where do you want to be near to?.
[EX A]:
0