Complex sentence: According to ABC psephologist Antony Green, the seat should have been recovered by the Liberals in 2007 but was narrowly retained by Labor on a 0.8 percent margin making it the Labor government's most marginal seat.
Split into simpler sentences: According to ABC psephologist Antony Green, the seat should have been recovered by the Liberals in 2007 but was narrowly retained by Labor. On a margin of 0.8 percent it was the Labor government's most marginal seat.