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: may i ask near where?
Original Reference: i did not understand. what part of the city would you like me to search?.
[EX A]: 0

[EX Q]: System Reference: where would you like it to be near to?
Original Reference: did you have a location in mind?.
[EX A]: 0

[EX Q]: System Reference: x is a chinese restaurant.
Original Reference: i recommend x a chinese restaurant.
[EX A]:
0