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: source serves pizza food, allows kids, is good for lunch and it is cheaply priced.
Original Reference: source is good for lunch in the cheap price range and allows child -s, that serves pizza.

1