Two politicians walk into a bar.
“A round for the house!” They exclaim.
The bartender serves the round and goes over to the politicians.
“That’ll be $100 for the round.”
“Huh?” say the politicians. “You want us to pay for it?”
Pavlov is sitting in the pub having a pint when the bell rings for last call. He’s says “ oh crap! I forgot to feed the dog”