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: what area are you looking for?
Original Reference: may i ask which area?.
[EX A]: 0

[EX Q]: System Reference: singapore malaysian restaurant, is in the hayes valley or richmond district call 4157509518.
Original Reference: singapore malaysian restaurant is in the hayes valley or richmond district. their phone number is 4157509518.
[EX A]: 0

[EX Q]: System Reference: x is a restaurant near x and on the riverside area near x.
Original Reference: x is a restaurant in the riverside and x areas near x.
[EX A]:
1