"The ones that still look like robots have machine guns in their arms," Adia says with an uncomfortable frown. "But the ones who look human are the most dangerous." She twists the ends of her scarf and hesitates to say more, not wanting to burden her problems on someone who's dealing with his own. Finally, she adds, "They've killed most of us by destroying the twelve colonies. We were on the run for a while, but they caught up to us."

Still, she's alive and looks healthy, despite the wear on her clothes. "Technically, I'd be an alien if I visited your Earth," she points out. "If there are aliens who look human, then... well, they'd be treated like any other human."