She gives his stump of an arm a faintly incredulous look, but doesn't comment on the single-handed-ness as she comes into the room fully. (There are Decepticon brands on her wings, and she is not even remotely shy about the Autobot seeing them; Autobots don't fly, after all, so her mere existence marks her as a Decepticon, right?) (She's been here for like a day, and if the rules are different she hasn't noticed yet.)

"Naw, I was just exploring. You look like you could use an extra servo, though." She stoops down, and picks up a stray... something-or-other, she has no idea. Some kind of information, but looking at it makes her motherboard glaze over in incomprehension. Turning it idly in her own perfectly functional servos, she asks, "What is this building?"