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.

Example Input: System Reference: hotel rex has internet.
Original Reference: hotel rex does offer internet.
Example Output: 0

Example Input: System Reference: inn on castro in the castro area has internet.
Original Reference: i found the inn on castro in the castro area. it has internet.
Example Output: 0

Example Input: System Reference: there are 54 cheap restaurants where kids are allowed.
Original Reference: there are 54 restaurant -s that are cheap and allow child -s.
Example Output:
1