Complex sentence: Babe O'Day, a vivacious flapper, announces that she has broken up with Beef Sanders, a brawny and posessive football player who says that he'll murder any boy who goes out with her.
Split into simpler sentences: Babe O'Day, a vivacious flapper, announces that she has broken up with Beef Sanders, a brawny and posessive football player. Beef says that he'll murder any boy who goes out with her.