Xabjvat gung gurer'f ab erqhaqnag dhrfgvbaf yrgf lbh nccyl fbzr vagrerfgvat ybtvp jvgu ubj dhrfgvbaf 1 & 4 nssrpg rnpu bgure - vg'f abg erdhverq gb fbyir ohg vg'f zber fngvfslvat.
Originally I wanted the puzzle to be heavier on that kind of logic, but I couldn't find a set of questions that worked well.