The correct answer is this: Nicole identified her audience BACKGROUND.
In public speaking, analyzing one's audience is very important, this is because the failure or the success of one's speech primarily depend on this. Accurately identifying the various characteristics of one's audience enhances one's ability to get through to them and to pass across one's message. In the question given above, Nicole identify the background of her audience as those students who are learning the language and culture of France. <span />
I would say that it depends on the audience. Personally, a debate regarding ethics and moral dilemma is interesting. Read The Fat Man and the Impending Doom. It's just one paragraph so it's not going to bore audience.
https://thedailydilemma.wordpress.com/2007/06/18/fat-man/
I believe that this type is a lecture-forum discussion.
3) The second one
4) Byron bunks with mom and dad because, mama thought since it was his last night he was going to spend in flint for a while he might like to sleep in their room for the night,