"Well... good for you." Donna nods smartly, at least... sort of satisfied with that explanation as she starts them walking along the dunes again. "So what if you started out as a roomba? Doesn't really matter what you were, just what you are. And if you managed to get out of it? All the better.

"Did you and the other roombas unionize and walk out, or something like that?" If he quit, maybe the person who created him just decided to let them go? That wouldn't be so bad.