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 price range are you comfortable with?
Original Reference: is there a price range you prefer?.
Example Output: 1

Example Input: System Reference: there is a hotel called in the buena vista motor inn and in the area of fort mason.
Original Reference: buena vista motor inn is in fort mason.
Example Output: 0

Example Input: System Reference: helmand palace, is expensively priced and allows kids.
Original Reference: how about helmand palace, it fits your request where child -s are allowed with an expensive price range .
Example Output:
1