"It's complicated. People come here from all different places, not only Gotham." He can tell she still doesn't understand, and he sighs. The scientifically-minded man has a difficult enough time explaining high concepts to other adults, let alone children. If he was with his daughter, he could simply ask for her trust, putting off any explainations for later. However to Annie, he's just another stranger, someone she might less nervous around from when she first saw him, perhaps, but that isn't saying much.

For now, perhaps explaining Nautilus to someone with memory loss isn't the formost of priorities. "You aren't hurt in any way, are you? What's the last thing you remember for sure?"