Complex sentence: He has represented St. Boniface on the Winnipeg City Council for all but two years since 1995, and ran unsuccessfully for Mayor of Winnipeg in 2004.
Split into simpler sentences: He has represented St. Boniface on the Winnipeg City Council since 1995, except for a two year period from 2004 to 2006. He ran unsuccessfully for Mayor of Winnipeg in 2004.