Complex sentence: The man gives him a piece, but the gnome drops it and asks him for the whole loaf; when he refuses, the gnome beats him until he is unconscious so he can take away the whole loaf to chow down on.
Split into simpler sentences: The man gives him a piece, but the gnome drops it and asks him for the whole loaf. But when he refuses, the gnome gives him a good beating until he is unconscious so he can take away the whole loaf to chow down on.