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: the phone number for burma superstar is 4153872147.
Original Reference: the phone number for the burma superstar is 4153872147.

1