Complex sentence: Newly armed with a kitchen knife, the dog enters the room where Bella is hiding, she leaps out from her hiding place and throws paint over its visual sensor, and then throws the can to the corner of the room.
Split into simpler sentences: Newly armed with a kitchen knife, the dog enters the room where Bella is hiding. She leaps out from her hiding place and throws paint over its visual sensor, and then throws the can to the corner of the room.