Complex sentence: The opposition Liberal Party under John Hewson a Professor of Economics who succeeded Liberal leader Andrew Peacock in 1990 and in 1991 launched Fightback!, a radical prescription of tough, economically "dry" measures, including a radical overhaul of Medicare and Industrial Relations.
Split into simpler sentences: The opposition Liberal Party was led by John Hewson a Professor of Economics who succeeded Liberal leader Andrew Peacock in 1990. In 1991 the Opposition launched Fightback!, a radical prescription of tough, economically "dry" measures, including a radical overhaul of Medicare and Industrial Relations.