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Post whatever you want as long as you add original thought to it and source the original author.
Section about plagiarism is C L E A R

Understood. Thanks! :-)
But what I am trying to say and have been trying to explain is that jokes have no original author. Most of the jokes are spread from one person to another, through emails, messages anywhere and everywhere on the internet. Anyway, I learned my lesson, and I will put the source where I got the joke from - original author or not.
Cheers! Have a great day! :-)