Complex sentence: While Dodger is in the toilet, Patrick arrives and tries to take Maxine home but Dodger attacks Patrick, horrifying Maxine and she tells Dodger that he is just like Patrick.
Split into simpler sentences: While Dodger is in the toilet, Patrick arrives and tries taking Maxine home. Dodger then beats Patrick up, leaving Maxine horrified and she tells Dodger that he is exactly like Patrick.