Complex sentence: He emigrated to New Zealand when 16, working in sheep farming and lumberjacking, but only stayed for five years before returning to study at RADA, after begging his father to let him return to try and become an actor.
Split into simpler sentences: He emigrated to New Zealand when 16, working in sheep farming and lumberjacking, but only stayed for five years before returning. Went to RADA after begging his father to let him return to try and become an actor.