Hmm, this might be a bit confusing at first...
You start with a word, and then the next post will say a word that would go after the first word. Then the next will say a word that would come after the previous post.
EXAMPLE:
Post One: Dog
Post Two: House
Post Three: Arrest
See?! It goes, Dog House, then House Arrest. Then the Fourth Post would say a word that would come after Arrest...
(MAKE SURE YOU CAN THINK OF AT LEAST ONE WORD THAT COULD COME AFTER THE WORD YOU POST. DON'T MAKE IT IMPOSSIBLE!)
SO LET'S TRY IT!!!! I'll start us off:
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Man.