To get further than this, some insight is needed :)
If you need some indirect hints (rot13):
Whfg pyrnevat n fbxbona yriry vf zrnavatyrff, jung vf zrnavatshy?
Jung pnhfrq lbh gb tb sebz bar yriry gb nabgure?
Jung erznvaf pbafgnag jura tb sebz bar yriry gb nabgure?