Given the task definition and input, reply with output. 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: skool, is expensively prices and does not allow children.
Original Reference: skool is in the expensive price range and it does not allow child -s.
1