"Uh--" William stared, automatically accepting the mug. "Ah. Thank you, sir?"
He had, up until that moment, been perusing a stall of fresh fruits and vegetables, with the focus of a man determined to brave the mess of crowds around him as little as possible, and thus really had no idea why he was being handed ale by a stranger.
"I'm sorry - you're the Black Sheep?"
The man did not appear to be black or, indeed, a sheep, but one could never be quite sure.