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: what price range are you comfortable with?
Original Reference: please indicate a price range. thank you.

SOLUTION: 1

PROBLEM: System Reference: the phone number for beijing restaurant is 4153338182.
Original Reference: the phone number for the beijing restaurant is 4153338182.

SOLUTION: 1

PROBLEM: System Reference: may i ask near where?
Original Reference: i am sorry, what is nearby where you are looking?.

SOLUTION:
0