Poster 1: I wish for a cupcake!
Poster 2: Granted!, but it turns out to be burnt!
I wish for a ski boat!
Poster 3: Granted! but you hit a rock and sink!
I wish for an egg yolk!
Grant the above persons wish, tell them how it backfires and then you wish for something.
I'll start us off;
I wish for a pizza, because I'm really hungry