"Whoever 'they' are." It's sort of a general term, isn't it? He has his own theories about what brought them here beyond what's generally accepted, but that's a long story and he's got coffee to fetch. Someone else will probably be happy to fill him in.

"My name's Five, by the way." Since he didn't ask, which... seems to be a theme with him. Five nearly asks what year he's from, and what he remembers before coming here, but daylight is wasting so he starts walking and nods for him to follow him to the door. "Make sure you find me when you get back."