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: stroganoff restaurant near fishermans wharf offers cheap food.
Original Reference: stroganoff restaurant is a cheap restaurant near fishermans wharf.
[EX A]: 1

[EX Q]: System Reference: x is an indian restaurant which service the riverside area.
Original Reference: x is an indian restaurant in the riverside.
[EX A]:
0