<span>A central or a main idea is an idea around which your entire paper or essay or paragraph or whatever it is you're writing, revolves. You have a central idea that you're trying to convey and everything you write or say somehow relates to that idea and proves a point that you're trying to make.</span>
It is called a simple sentence.
I believe the answer is undergraduate is that an option
Just strongly suggest that it isn’t right to do something and maybe think of the consequences and what they get out of it
