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: i regret that there are no restaurants near the martin luther king square.
Original Reference: i regret to inform you that there are no restaurant -s in the area of martin luther king square.
Answer:
1