[Well. Those are certainly a lot of geological terms that Sae doesn't entirely know, coming out of a grade-schooler's mouth. For a moment, she simply stares in surprise, though her gaze does eventually turn to the stone she's holding.]

Is that so?

[Her expression gradually turns from surprise to curiosity to suspicion, however, and there's a faint line in her brow as she turns her attention back to the boy.]

That's quite the memory you have...

[There's definitely something fishy about this kid, but. It can't be any fishier than things she's already dealt with, right? Right. Sae brings her umbrella back over her head, where it should be.]

Well, it's clearly not safe to stay out in the open like this. Were you heading somewhere? I can accompany you if it's not too far.

[She's trying to do better as an adult taking responsibility for those younger than her, and she doesn't see a guardian anywhere nearby, so...]