Complex sentence: He was defeated in the 2015 Canadian federal election, after which he switched parties to run as a Progressive Conservative in the 2015 Newfoundland and Labrador provincial election and was defeated in Windsor Lake.
Split into simpler sentences: He was defeated in the 2015 Canadian federal election. He then switched parties to run as a Progressive Conservative in the 2015 Newfoundland and Labrador provincial election and was defeated in Windsor Lake.