Complex sentence: She is tired of being cooped up in her tiny front yard, and of following orders from her family, so one day, she decides to run away from home and venture into the dark forest at the break of dawn.
Split into simpler sentences: She is tired of being cooped up in her tiny front yard, and of following orders from her family. She has finally decided to run away from home, feeling lack of freedom, and ventures into the dark forest at the break of dawn.