6. which sentence has a properly structured list?

the poodle barked whenever the postman came, a package was delivered, or get scared when a thunderstorm struck

theodore was angry at the government, loved conspiracy theories and dystopian novels.
george has the following items: a penguin statue, a cherry tree, and a fountain pen.

the pig rolled in the mud whenever it rained, his food was late, and stayed clean when he was full