I honestly don’t know but I would guess a text book
Answer:
the expression of one's meaning by using language that normally signifies the opposite, typically for humorous or emphatic effect.
Explanation:
Answer: It is more structured and organized.
One of the things that distinguishes written prose from informal speech is the fact that written prose is much more structured and organized. Even when discussing similar topics, informal speech is more likely to place ideas out of order, omit important details and lack a clear structure.