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: what area are you looking for?
Original Reference: would you like to search in a more specific area?.
Example Output: 0

Example Input: System Reference: stroganoff restaurant near fishermans wharf offers cheap food.
Original Reference: stroganoff restaurant is a cheap restaurant near fishermans wharf.
Example Output: 1

Example Input: System Reference: what price range are you comfortable with?
Original Reference: can i help you find a restaurant by price range?.
Example Output:
1