[ It's good to know she can hear, but he doesn't speak. He doesn't sign so; it will be apparent if it isn't already. He turns his head, eyes on the door and face grim. He's heard them called zombies, but he can't be sure that's accurate. And it's a human pop culture term, he thinks; he shouldn't use it without knowing more. ]

Mindless and hungry. [ He steps toward the door, gives it a quick check to be sure it's still safely closed, and glances back to add: ] You should stay in.