This is a hard one. But business people would make sense. As they're the ones who know how to get kids to want things. They put character's on food and things like that. That would make the most sense from what she's saying.
Since the sentence has "prevent" in it we would assume that the answer is telling her a secret <span />
Doyle wrote and produced a play based on the story. It premiered at the Adelphi Theatre<span>, </span>London<span> on 4 June 1910, with H. A. Saintsbury as Sherlock Holmes and </span>Lyn Harding<span> as Dr. Grimesby Roylott. The play, originally called </span>The Stonor Case<span>, differs from the story in several details, such as the names of some of the characters.</span>
Simile, since it's using "like".