Complex sentence: The Good Witch then waves her wand and a pair of beautiful shoes appear on Dorothy's feet, she tells Dorothy that if she wants to get home, she must ask the Wizard of Oz to help her.
Split into simpler sentences: The Good Witch then waves her wand and a pair of beautiful shoes appear on Dorothy's feet. She tells Dorothy that if she wants to get home, she must ask the Wizard of Oz to help her.