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: Consider Input: System Reference: what area are you looking for?
Original Reference: which area would you prefer?.

Output: 0


Input: Consider Input: System Reference: thank you the fairmont san francisco allows dogs.
Original Reference: the fairmont san francisco is a hotel that allows dogs.

Output: 0


Input: Consider Input: System Reference: source, is in the are of hayes valley or showplace square.
Original Reference: source is easily found in the hayes valley or showplace square area.
Output: 1