It's Sarah

Jon looked down and saw that he had dropped the bracelet. He scanned the floor for it, then spotted it. But before he could get to it, someone else picked it up. It was Sarah McMillan. Without even thinking about it, she slipped it on her wrist. Karyn was shocked. But Jon didn't know why. As far as *he* knew, the bracelet didn't do anything. It was just a piece of jewelry. Karyn ran over to her and started yelling at her. "Sarah! That was my bracelet. Give it back!" But instead of complying (which wouldn't have done any good, considering she can't take it off herself), Sarah began to say ...