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: aperto restaurant, is near potrero hill, is moderate range and allows children.
Original Reference: the aperto restaurant is moderate -ly priced, is near potrero hill, and allows kid -s.

1