A duck walks into a bar and asks the bartender “do you have any crackers”. The bartender replies “no this is a bar, we only serve alcohol” the duck returns the next day and asks “do you have any crackers”. The bartender repeats himself and says “no this is a bar, we only serve alcohol” The duck comes in a third day and asks again “do you have any crackers”. The bartender angrily answers back “no we don’t have any crackers and if you ask the question one more time im going to nail your beak to the wall”. the duck leaves and comes back the next day and asks “do you have any nails”. To which the bartender replies “no” then the duck asks
“do you have any crackers”.