[ He frowns slightly, pausing in his cleaning to give the young woman his undivided attention. Honestly, he hadn't really thought about any sort of a deadline, but it probably makes sense that they should get the required information sooner rather than later. ]

I don't know. [ He sort of points over his shoulder with the duster. In the distance, Erwin and/or Hange can probably be seen aggressively reading through a book. ] But the bookworms are staying here until they get kicked out, and I'm not having them bring lungfuls of dust back home.