???? ????? ??????? ?????? ?? ??clauses ???? ???? ???? ?? ??? ???? ????? ??????? ??????? ???????. ????? ?? ??? ??? ??????? ????? ??????? ??????. ?????? ?????? ??? ??????? ??? ?????? ??? ?????? ????????. ????? ??? ????? ????? ?? ?????? ?????? ?????? ??????? ???????? ???? ??????? ?????? ??????? ? ???????? ???. ?????? ?????? ??? ????? ????? ??????