Complex sentence: Tom spots a fireplace blower on the chase and sucks Jerry away from his mousehole, tosses him into the air, but cannot hold onto the mouse, as Jerry catches onto the shelf of plates near the ceiling and breaks a plate over Tom's head.
Split into simpler sentences: Tom spots a fireplace blower on the chase and sucks Jerry away from his mousehole. He is tossed into the air, but catches onto the shelf of plates near the ceiling and breaks a plate over Tom's head.