Complex sentence: Some neighborhood boys lure a cat away from a doorstep and while the girls are jump roping, one kid swings the cat over his head by the cat's tail and throws it on one of the girls.
Split into simpler sentences: Some neighborhood boys lure a cat away from a doorstep and while the girls are jump-roping. One kid swings the cat over his head by the cat's tail and throws it on one of the girls.