Complex sentence: Prior to her election in 2010, Leadsom was a councillor on South Oxfordshire District Council between 2003 and 2007, and also contested Knowsley South constituency in the 2005 general election.
Split into simpler sentences: Prior to her election in 2010, Andrea Leadsom was a councillor on South Oxfordshire District Council between 2003 and 2007. She also contested Knowsley South constituency in the 2005 general election.