"This obviously can't be left with Jon, but I'd like to start a little chaos with it," Sarah said to herself, grinning evilly. She shifted the stone back and forth between her fingers, then finally decided.
"I wish that I could start a domino effect wish chain, where the person I choose would get to make a wish independent of the stone, but it would be granted to the person closest to them," Sarah chuckled. "Also, I wish that this would repeat, moving from one person to the next."
With a huge smile on her face, Sarah made the decision. "The first person will be ..."