Complex sentence: Awakened by a loud roar, Belle's father wanders the castle's grounds where he plucks a rose from a tree which summons Beast (Jean Marais) who threatens to kill him for his theft.
Split into simpler sentences: Awakened by a loud roar, Belle's father wanders the castle's grounds where he finds a rose in a tree. Plucking it, summons Beast (Jean Marais) who threatens to kill him for his theft.