TASK 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.
PROBLEM: System Reference: what price range are you comfortable with?
Original Reference: is there a price range you prefer?.

SOLUTION: 1

PROBLEM: System Reference: hotel rex has internet.
Original Reference: the hotel rex is a hotel that has an internet connection.

SOLUTION: 0

PROBLEM: System Reference: i regret that there are no restaurants near the tenderloin.
Original Reference: i cannot find any restaurant -s in the tenderloin area.

SOLUTION:
1