Complex sentence: Katy, who is diabetic, is feeling overwhelmed with the guilt of killing her father and sending her mother to jail, she commits suicide by drinking a bag of sugar mixed with cola and not taking her insulin.
Split into simpler sentences: Katy, who is diabetic, is feeling overwhelmed with the guilt of killing her father and sending her mother to jail. She commits suicide by drinking a bag of sugar mixed with cola and not taking her insulin.