alright, i really have no idea what to do for level 5.
(rot13) v qba'g frr ubj gb trg gb gur obggbz evtug zbafgre, abe gur gbc evtug bar. gur bayl vqrnf v qb unir jba'g jbex. vir svtherq bhg ubj gb phg qbja shyy gerrf, ohg abg oynax barf (vs gurer rira vf n jnl). nal cbvagref?