Complex sentence: Amelia goes into the cellar of the house while telling Sam to stay outside, and it is revealed that the worms she had gathered from the garden outside with Sam, were actually food for the Babadook, who now has taken up residence in their cellar.
Split into simpler sentences: Amelia goes into the cellar of the house while telling Sam to stay outside. It is revealed that the worms she had gathered from the garden outside with Sam were actually food for the Babadook, who now has taken up residence in their cellar.