"Yes, that's right," K confirms, surprise plain in his expression. Of all the people he's met in Deerington, and now Trench, only a couple have had any familiarity with androids outside the realm of science fiction. So this is significant. And potentially very dangerous — depending on how this Sleeper regards his kind. But he's unable to lie about his identity, by design. It's enough to give him pause before he ventures to ask, "There are androids in your homeworld, too?"