I finally figured out what to do by focusing on the question, (rot13) "Jung tbny pna V rira trg gur gbc obk gb?"
V fcrag n juvyr gelvat gb ebgngr gur gbc guerr obkrf pybpxjvfr nzbat rnpubgure'f tbnyf, pbzcyrgryl vtabevat gur obk ba gur ybjre jnyy. Gung dhrfgvba tbg zr gb svanyyl abgvpr gur gevpx gb trg gung obk bss gur jnyy.
This puzzle was right at the sweet spot of difficulty for this advent calendar, imo. A crunchy but still snack-sized puzzle I could actually see myself doing as part of a daily routine for a month.