They're under a ruined overpass when he spots it, next to a quietly burbling stream.
"Hey, 2B, look at that."
"Our world was invaded by aliens who created machines to fight for them, and they killed almost all of the humans. The humans retreated to the Moon and made us to reclaim Earth so they could come home."
...Well that doesn't sound good one way or the other.
...Retreated to the Moon?
"I'm sorry, that sounds terrible."
"Are the machines like people? Are the aliens still there as well? How - did they get to the Moon?"
She's made enough progress that she gets some not-words for 'rockets', despite the lack of anything the more straightforward way. She sends over idea images with the translation.
"We don't know what the aliens want, other than humans dead. Rockets are... I guess it probably wouldn't help if I said 'external combustion engine'?"
"I'm sorry."
...That is, in fact, even less helpful.
"No, I'm afraid not. It isn't magic?"
(Maybe it's not a good idea strategically to betray what they might not have that these people do. But on the other hand that would be immediately obvious if they went anywhere.)
"No, it's like- you know what fire is, right? If you make a lot of fire very quickly and funnel it all in one direction, it can push you along."
She helpfully spins some fire around in her hand before putting it out again.
(She is so curious to try this new fire thing...)
It occurs to her she's been neglecting some details of politely meeting people.
"Are you hungry?"
Except,
"Do you eat the same kind of food humans do?"
I'm sure there'd be a way. Confinement till the spark burns out if nothing else. She's getting the ramifications too, though, it's in even her mental voice.
Nothing to be sorry for. 'We're not all demons for shutting up in cages' doesn't mean we're all just lovely people. We're not. And we can make ourselves quite a problem if we want to, and I wouldn't argue some of us should be gotten rather dead. Mages no one can stop doesn't go well. And I'm the one who told you how to make a mage like me dead.
But I'm sure there'd be a way. Even if it can't be starving.
If they can be mages, if - however they make more of themselves (or someone else makes more of them?) works for it. If there's isn't some other non-food resource anyway, come to think -.
She's trying not to let all of this show outside.
"Is there - do you know what you might be interested in doing, now?"
"Well, eventually we'd want to find a way home, but it'd be good to learn some more about this place first."
"We - hope you can succeed at that." She doesn't think any of the Settlers succeeded in traveling back, but she's not sure either if any tried. And if some tried on their own or with a few comrades and succeeded the ones who became the Settler Ancestors might not have even learned of it.
"What would you like to know?"
"Than - just the two of us? Yes. A lot more. Than the people who live within the map my friend showed you, not that we know of."