Complex sentence: At the beginning of the series, Dewey assigns Dominic as Anemone's personal caretaker, meaning that he is burdened with the task of controlling Anemone's frequent outbursts and calming her painful headaches, which cause her to react violently to those around her.
Split into simpler sentences: At the beginning of the series, Dewey assigns Dominic as Anemone's personal caretaker. This means that he is burdened with the task of controlling Anemone's frequent outbursts and calming her painful headaches, which cause her to react violently to those around her.