Can you not tell it knowing you can't not tell it?

— You. You can't lie. So tell me puppet, where is Shrek?
— Ahh. Well, I don't know where he is not.
— You're telling me you don't know where Shrek is?
— It wouldn't be inaccurate to assume that I couldn't exactly not say that there he is is almost partially incorrect.
— So, you do know where he is!
— On the contrary. I'm possibly more or less not definitely rejected the idea that in no way within the amount uncertanty that I undeniably...
— Stop it!
— ...do or do not know where he shouldn't probably be. If that indeed wasn't where he isn't! <etc>