"You guys don't even hang out. It's funny how you guys are in the picture together. To be optimistic, that actually makes this picture extraordinary", I pointed out what they were presumably already aware of.

"No! We hung out in the.... in pingpong!" Harry and Hochul said with one accord.
"Yeah, right" I said as unsarcastically and naturally as I could, for I thought it'd be redundant to be sarcastic when saying "Yeah, right", considering the context of "yeah right" already contains much sarcasm.