Themes in speeches are used to organize the speech to make it easier for the audience to understand.
The best answer to the question that is being stated above would be the sentence that is numbered one (1): 'When it comes to fiction, there are many genres'. The next sentences are only subtopics and only support the main idea that are lots of genres for fiction.
C.) p<span>olio is a contagious *disease* that has mostly been eradicated.</span>