Complex sentence: Australia's longest serving national news anchor, Sully began at Channel Seven in Brisbane, and has been at Ten since 1991 when she worked as a political correspondent in the network's Canberra bureau.
Split into simpler sentences: Australia's longest serving national news presenter, Sully began at Channel Seven in Brisbane. She has been at Ten since 1991 when she worked as a political correspondent in the network's Canberra bureau.