How do you get a post that's not a joke into /r/jokes?

Like this.

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What letter of the alphabet has got lots of water?

"The C" COMMENT A JOKE BELOW!

What is this?

A Joke

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Why didnt the illiterate man like my post on r/Jokes?

He's never Reddit.

What punch line is sure to get upvotes no matter how many times it gets posted?

I don't know I just fly the drone

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How can you tell if a post on r/Jokes is unoriginal?

It makes the front page.

What's the worst punchline on /r/jokes?

I haven't got the faintest idea.