Ouka's arms cross, "Don't ask such st--"

"I got this," Sokka interjected, smoother than fresh snow. "I believe the answer is water, the best one; earth, the other best one; air, or at this point I guess it's just rare; aaaaaand, you know, fire."

Sokka didn't have a joke for that one. Sure, Aang had talked about the dragons and their warm colors, and he'd developed a taste for the homey tea Zuko brewed over his own fires.

But comedy, good jokes, worked off information the audience had-- tweaked something hidden in the back of their brains that made so much sense that they doubled over laughing, unable to help it, and Ouka and Omi lacked this most crucial context.

"And, of course, clever benders have master various sub-elements of these essential elements," he adds, seeing Ouka opening her mouth. "Though certainly, there are some things that you benders are just powerless against, like the rest of us. Wood comes to mind, but the classical example, the big one, the one of which all weapons are thusly made is--"

He cedes the spotlight to Toph, with a grin roughly the same size and shape as his boomerang.