Getting the Wrong Idea (alt)

Sarah looked down at Jon, who was still laying on Zoe in the grass. "God, you're just as much of a sicko as your freak sister." "What? It's not like that. I was just trying to ..." Jon tried to explain. "Stop it. I don't want to hear it. I wish you two would go back in your house and have sex in *there* instead of out here on the lawn." Suddenly Jon and Zoe were back in the house having sex; however, Sarah forgot to say "with each other". Jon had wished that the stone would twist Sarah's wish, so Sarah's mistake was an opportunity for the stone to do just that. Zoe appeared in her room having sex with a friend of hers, and Jon reappeared in his having sex with....