Tried to make it a bit more of a tongue-twisting translation, though I'm not sure if the increasingly mangled versions flow so naturally.
No, wrong.A really green seer.S-sealy greener.It's... a real-ly...grease... scener.See-see ring greeder.Ahem.A reary seen greer?Uh... I hear Miss Greater Rhea is a really green seer. America Rhea-san ha minarai uranaishi de irassharu sou desu—"I hear they say American Rhea-san is a trainee fortuneteller."