Uh-huh. He'd kinda been expecting a response like that, so he leaves the conversation where it is. Not likely to make any ground now, and he's a bit preoccupied by the fact that they've just rounded a corner to come face-to-face with a whole fresh mess of things.

"Ah," says Sans by way of warning, about-facing smoothy around in one fluid motion. "Nope. Not that way."