TASK DEFINITION: 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.
PROBLEM: System Reference: may i help you further?
Original Reference: what do you mean.

SOLUTION: 1

PROBLEM: System Reference: where would you like it to be near to?
Original Reference: where is that near?.

SOLUTION: 0

PROBLEM: System Reference: the richmond has 2 locations in hayes valley or inner richmond, the address is 615 balboa street, and the phone number is 4153798988.
Original Reference: the richmond in the hayes valley or inner richmond address is 615 balboa street. the phone number is 4153798988.

SOLUTION:
1