Original sentence: However, due to Australia's system of preferential voting in which a candidate needs a majority of the votes to be elected, she lost to the Liberal Party candidate, Cameron Thompson.In 2003 she left Queensland, moved to Sylvania Waters, Sydney in New South Wales and stood for the NSW Upper House in the 22 March state election
Edited sentence: However, due to Australia's complicated system of preferential voting in which a candidate needs a majority of the votes to be elected, she lost to the Liberal Party candidate, Cameron Thompson.In 2003 she left Queensland, moved to Sylvania Waters, Sydney in New South Wales and stood for the NSW Upper House in the March 22 state election.It appears as though Hanson made this move to prevent her former advisor and now arch-enemy David Oldfield's One Nation NSW party from gaining more seats in that State's Parliament