A duck goes to a bar and asks the bartender:
Duck: Bartender, do you have any bread?
Bartender: No
Duck: Bartender? so you don't have any bread do you?
Bartender: I said no! This is a bar not a bakery!!!
*After few minutes*
Duck: So bartender, don't you have any bread here?
Bartender: F*** .. NO!!! I told you, I don't have any bread here! Now shut the f*** up!
*Few minutes later*
Duck: Bartender ... so what about the bread? have you any?
Bartender: No!!!!!! if you ask me one more time I will nail your %#%$ to the bar!
Duck: Bartender ... do you have any nails?
Bartender: NO!
Duck: ... any bread?