A Duck goes into a pub and jumps onto the bar.
The duck says, "Have you got any bread?"
Landlord ... "No"
Duck ... "Have you got any bread?"
Landlord ... "No"
Duck ... "Have you got any bread?"
Landlord ... "For the third time NO. Don't ask me again. If you do I'll nail your beak to the counter"
Duck ... "Have you got any nails?"
Landlord ... "No"