I suspect there are two points to that exercise, and am obscuring my guess with rot13:

Gur svefg vf gb znxr fher gung lbh ernyvmr gur qbzvangrq nygreangvir vf qbzvangrq, naq gura frpbaq vf gb grfg vs lbh npghnyyl eha gur ahzoref, be vs lbh ersyrpgviryl fnl "cbbe=varkcrafvir bcgvba." Jura V ena gurz (ivrjvat gur varkcrafvir gerngzrag nf gur onfryvar, abg ab gerngzrag, juvpu znxrf gur rkcrafvir gerngzrag yrff nggenpgvir) vg pnzr bhg gb sbhe qbyynef gb nibvq na ubhe bs univat n zvtenvar. Gung frrzf yvxr n irel purnc jnl gb ohl unccvarff sbe nalbar jub yvirf va gur qrirybcrq jbeyq, rira ba n ybj vapbzr. Juvyr vg'f fvk gvzrf nf rkcrafvir cre ubhe nf gur purnc bcgvba, vg fgvyy vf purnc rabhtu gb fgebatyl erpbzzraq. (Pbafvqre gur erirefny: jbhyq lbh gnxr ba n zvtenvar gb rnea sbhe qbyynef na ubhe?)