Complex sentence: Homer loses his patience and throws the toy out the window, where it is crushed by passing vehicles, but by a twist of fate, another father throws his childrens' Bonk-It out a window and it lands in the hands of the Simpson children.
Split into simpler sentences: Homer loses his patience and throws the toy out the window, where it is crushed by passing vehicles. By a twist of fate, another father throws his childrens' Bonk-It out a window and it lands in the hands of the Simpson children.