Complex sentence: William Carvel "Bill" Graham (born March 17,1939) is a former Canadian politician, who served as Minister of Foreign Affairs, Minister of National Defence, Leader of the Opposition and interim Leader of the Liberal Party of Canada.
Split into simpler sentences: William Carvel "Bill" Graham (born March 17,1939) is a Canadian former politician. Graham served as Minister of Foreign Affairs, Minister of National Defence, Leader of the Opposition and interim Leader of the Liberal Party of Canada.