Complex sentence: The son of a business executive, Dunstan grew up as part of the Adelaide establishment, and excelled academically at St Peter's College, before encountering his political awakening and left-wing politics while training in law and arts at the University of Adelaide.
Split into simpler sentences: The son of a business executive, Dunstan grew up as part of the Adelaide establishment. He excelled academically at St Peter's College, before encountering his left-wing political awakening while training in law and arts at the University of Adelaide.