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: what price range would you prefer?.

SOLUTION: 1

PROBLEM: System Reference: may i help you further?
Original Reference: may i help you further?.

SOLUTION: 1

PROBLEM: System Reference: where would you like it to be near to?
Original Reference: may i ask near where?.

SOLUTION:
0