Narrator: A duck waddles into a grocery store...

    Duck approaches the manager: Got any duck food?
    Store Manager: No, we don't sell duck food. Now, get on outta here.
    Narrator: The duck leaves.

    Narrator:
    The next day, the duck waddles into the same grocery store.

    Duck approaches the manager: Got any duck food?
    Store Manager: NO! I told you yesterday, we don't sell duck food. Now,
     get outta here and don't come back!
    Narrator: The duck waddles out of the store.

    Narrator: The next day, the duck waddles into the grocery store.

    Duck approaches the manager: Got any duck food?
    Store Manager: NO!! I'VE TOLD YOU REPEATEDLY WE DON'T SELL DUCK FOOD!!!
      GET OUT AND DON'T COME BACK OR I'LL NAIL YOUR FEET TO THE FLOOR!!
    Narrator: Duck waddles out of the store.

    Narrator: The next day, the duck waddles into the store and approaches
     the manager.

    Duck: Got any nails?
    Store Manager: What?? No, we don't have any nails!!
    Duck: Got any duck food?