Two Jokes about Context and Classification from European Movies

From Kontroll (2004)

“A guy goes into a bar and orders ten shots of brandy.
The barman asks him ‘Ten, sir?’
‘Give them to me,’ the guy says.
The barman pours the ten shots and lines them up on the counter.
The guy takes the first and the tenth one, picks them up and pours them out
on the floor. He drinks the remaining eight, one after the other.
The barman asks with surprise, ‘Why did you pour those two shots out on the floor?’
The guy says ‘Look, sonny, the first one always tastes horrible and the last
one always makes me sick.’

From 101 Reykjavík (2000) (also a novel):

Why do Marlboro cigarettes have white filters in America, and yellow filters in Europe?
So Keith Richards can tell which continent he’s on.