"Nepeta," he repeats. "District 4. Okay, I'll find you after this is all over, and we can talk about your world. I might be able to explain the Districts a little better, too."

So that was that...but the vent problem still was unsolved.

"...now, about this vent thing. I'm willing to back up to the last intersection and let you go by. I think I passed one about fifteen feet ago."