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: there are 4 moderately priced good a nice restaurants are good for dinner, and near potrero hill.
Original Reference: i found 4 restaurant -s that is moderate -ly priced, near potrero hill and good for dinner.

1