Gary is furry. Harry is rough. If Harry is blue then Harry is not white. If Harry is kind then Harry is not furry. If Gary is kind then Gary is blue. If something is not round then it is kind. If Gary is round and Gary is furry then Gary is blue. If Gary is not kind and Gary is not round then Gary is not white. If Harry is not kind then Harry is blue. If something is not blue then it is not round.
Harry is not blue.