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.

Example Input: System Reference: x is a cheap restaurant in the expensive price range near x.
Original Reference: x is a restaurant near x in the cheap price range.
Example Output: 0

Example Input: System Reference: may i help you further?
Original Reference: do you need any more assistance?.
Example Output: 1

Example Input: System Reference: i regret that there are no restaurants near the tenderloin.
Original Reference: there are no restaurant -s in the tenderloin area.
Example Output:
1