"Oh! I'm sorry for assuming." Otto fidgets, not bothered by the comment about Earth being backwater, it's pretty evident that whoever had brought all of them here is above Otto's Earth's capacity, definitely. And this is a robot, as well, so who knows what kind of advanced planet she comes from?

"No, you're correct, I am human." Otto blinks, "Remarkable, though, to be from so far into the future. My future, that is."

They softened at that last part, "I do understand. There are a few from my home I shouldn't like to leave alone too long. Ah, but, maybe your companions will arrive, or are already here," They waved with one tentacle in the direction of the train, "It may even be that whoever took us has the ability to return us to the same point in time. Their mastery may be many dimensions higher than I am used to."