Complex sentence: Isobel Mary Redmond is the current parliamentary leader of the South Australian division of the Liberal Party of Australia and the Leader of the Opposition in the Parliament of South Australia since 2009, and member for the electoral district of Heysen in the House of Assembly since 2002.
Split into simpler sentences: Isobel Mary Redmond is the current parliamentary leader of the South Australian division of the Liberal Party of Australia and the Leader of the Opposition in the Parliament of South Australia since 2009. Redmond has been the member for the electoral district of Heysen in the House of Assembly since 2002.