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