Complex sentence: Cinder's cruel stepmother, with the belief that cyborgs are semi-humans and mutants incapable of love she regularly mistreats Cinder and blames her for all the hardships in her life.
Split into simpler sentences: Cinder's cruel stepmother, with the belief that cyborgs are semi-humans and mutants incapable of love. She regularly mistreats Cinder and blames her for all the hardships in her life.