To give your intended audience some idea of what to expect, choose a situation or problem that the play will discuss. Your problem can be something you've observed in your own daily life or in events of your time.

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A. they give the reader hope. if the whole book was dark & unhopeful it’d be a little less interesting, little moments make it more interesting to read because then you want to know what happens. if it’s all dark there’s no point in reading if you already know the outcome of it.

Compare who exactly?