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.

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

A: 1
****
Q: System Reference: what area are you looking for?
Original Reference: this is the hotel information system. you can ask for hotel -s by price range, whether they accepts card -s or have internet.

A: 0
****
Q: System Reference: what price range are you comfortable with?
Original Reference: how much would you like to spend?.

A:
1
****