Who Gets The Stone?

"Like, oh my *gawd*. My wish actually came *true*," Jessica said, with wide eyes. "Yes, now get out before you make another stupid one," Jon said. *Her* voice sounded exactly like Jessica's. It was so weird. But Jessica wasn't leaving. Instead, she reached for the stone, which still sat on the table. "No!" Jon yelled, lurching towards it herself. Both of them had nearly an equal chance at getting at it before the other did. But which one actually got it?