The answer here is 3. Diction
Answer:
I'm not entirely sure if I understand the question, but I'm gonna go for it.
I believe that her hook, the way she asks a question that seems very unlikely captures the readers' attention.
Hope this helps! If not, I tried T^T
Explanation:
Really it depends upon what the author makes it. If it's a published book, it's a for entertaining purposes. If it was informal, it's be a biography.