Ollie: “[My teacher] has the best poop!”
I think no context is required there.
Me: “How about we go upstairs and get dressed?”
Alex: “How about, ‘no’?”
Me: “We’re going to take the train to downtown today!”
Alex: “Can I drive?”
Sara: “[Girl in Ollie’s class] is so tall!”
Ollie, wistfully: “I’m a little jealous of her, because her parents give her enough food to grow, but I barely have enough to keep from starving.”