A man enters a pub, walks up to the bar, sits in a stool and orders a drink. While drinking it, ne notices a group of men sitting at a table. Every once in a while one of them calls a number and everybody at the table starts laughing. He asks the bartender what is going on and gets as reply they are telling jokes, but because they already know all jokes by heart, they just numbered them. Shortly after that, another number is called by one of the men, but nobody laughs. After asking about that, the bartender replies:
.
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"He was telling it wrong".