Part 1. 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.
Part 2. Example
System Reference: x is a reasonably priced fast food restaurant down by river cheap.
Original Reference: x is a cheap fastfood restaurant located near the riverside.
Answer: 1
Explanation: The system reference could have been uttered by a native speaker.
Part 3. Exercise
System Reference: shangri la vegetarian restaurant serves vegetarian food at a cheap price range.
Original Reference: there is another vegetarian restaurant nearby called shangri la vegetarian restaurant and it is also cheap.
Answer:
1