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