Greenhorns, flatheads! I knew the first house would keep mum and let the rest of the town get roped in; and I knew they'd lay for us the third night, and consider it was their turn now. Well, it IS their turn, and I'd give something to know how much they'd take for it. I would just like to know how they're putting in their opportunity. They can turn it into a picnic if they want to – they brought plenty provisions. —The Adventures of Huckleberry Finn Mark Twain What types of irony are used when the duke says, “They can turn it into a picnic if they want to – they brought plenty provisions”?