Complex sentence: John Walter Olver (born September 3,1936), American politician, has been a Democratic member of the United States House of Representatives since 1991, representing, a primarily rural district that makes up most of Western Massachusetts.
Split into simpler sentences: John Walter Olver (born September 3,1936) is the U.S. Representative for, serving since 1991. The district is a primarily rural district that makes up most of Western Massachusetts.