Teacher: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.
Teacher: Now, understand the problem? Solve this instance: System Reference: the phone number for fifth floor is 4153481555.
Original Reference: the phone number of fifth floor is 4153481555.
Student:
1