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