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: assab eritrean restaurant 's address is 2845 geary blvd.
Original Reference: assab eritrean restaurant 's address is at 2845 geary blvd.
1