Complex sentence: Jane Thornthwaite is a Canadian politician, who was elected as a Liberal Member of the Legislative Assembly of British Columbia in the 2009 provincial election, representing the riding of North Vancouver-Seymour.
Split into simpler sentences: Jane Thornthwaite is a Canadian politician who was elected as a Member of the Legislative Assembly of British Columbia in the 2009 provincial election. She was elected as a member of the BC Liberal Party in the riding of North Vancouver-Seymour.