Definition: 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.
Input: System Reference: i regret that there are no restaurants in opera plaza chinatown.
Original Reference: unfortunately there are 0 restaurant -s near chinatown in the opera plaza area.
Output:
1