Context: Hermione had expressed some doubts about it but then Hermione never had been one to follow the fashions very closely . ( And , Harry knew very well , that Hermione disliked bracelets because she said they got in her way when she was working . )
Question: What may happen if Hermoine had on a bracelet while working ?
Option 0: The bracelet may slip off and contaminate some evidence .
Option 1: Hermione may have her bracelet slip onto her wand and mess up a spell .
Option 2: None of the above choices .
Option 3: Hermione may lose it in some food which she is preparing .
Answer: 1