"Okay, let's take the short story "Refresh, Refresh" as an example. Two kids beat up the messenger because, well, they want to shoot the messenger. The characters of the story grew up in an environment that basically cultivated glorified violence. The unit question is "Does free will exist?" I tried to argue to my teacher that "The characters don't have free will because they're controlled by the guy with the pen", but my teacher tried to convince me to ignore that and get into the story. To interpret free will as "something that is effectively free will for all intents and purposes." To answer with whether or not the children had the capacity to fight against the causes of their environment. Now, I think that it's a crappy unit question that has more to do with your position on this matter than analyzing literature, but that doesn't mean I can't answer the question with support from the short story.
An old definition of omnipotency: the ability to do whatever is reasonable. Playing with words by saying, "This apple is not an apple. Is it an apple?" achieves nothing in defining the capacity of God.