Complex sentence: Another version states that, angry that his grandfather tried to kill him and his mother, Perseus returned home and challenged his grandfather in his court, and took out Medusa's head from a sack, turning Acrisius and his court to stone.
Split into simpler sentences: Another version states that, angry that Acrisius tried to kill him and his mother, Perseus returned home and challenged his grandfather in his court. He took out Medusa's head from a sack and turned Acrisius and his court to stone.