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.

System Reference: may i ask near where?
Original Reference: are you looking for something in a particular area?.
0

System Reference: where would you like it to be near to?
Original Reference: what venues are you hoping to be near?.
0

System Reference: what price range are you comfortable with?
Original Reference: i am sorry, what price range would you like?.

1