The answer, in my opinion, is the second sentence, "The coach who is an expert in the sport explained the revised rules to us". Here, the "Who is an expert", is presumably the nonessential clause.
The answer is A. What does this story say about life?
Answer:
I mean it is an option... but you could fail...
Explanation:
I just wrote an essay lol it wasn't fun
You say the title or name first. Then you talk about WHAT your presentation is about.
Its called an introduction, make sure at the end of your introduction it leads to more stuff to talk about later on.