First sign: Careful! I bite! (German equivalent of "beware of dog") Second sign: and apparently I can write. Third sign: Hey, I can write! Fourth sign: Then I can read too.
[Translator's note, the word used here in German is 'Beutal,' which means both 'bag' and pouch, plesase understand that or this probably won't be very funny]
Cashier: I'm afraid we don't have any bags left, would you like to try one of our animals with pouches? Blue Monster: Take Me! Take Me! I've got five pouches!