If Die Hard is a Christmas movie, then this has to be a Christmas joke.
I was on a train the other day when two Swedish men sat down next to me
The two introduced themselves as Sven and Olf. Olf in particular was wearing a t-shirt with the USSR flag on and boasted a cap with a hammer and sickle on, so I assumed he was an avid communist. I asked them if either of them knew where I could get alcohol on the train, and Olf piped up:
"If you go to carriage 4, you can get a Guinness, you idiot. You …