Which of the following terms describes the part of a play's structure in which the playwright twists the events of the plot and the subplots?

Which of the following word or words best applies to this piece?

a) prime, retrograde, inversion, and retrograde inversion b) ritornello, ripieno, and concertino c) augmentation, stretto, and diminution d) double exposition and cadenza

What are shomyo and where did they originate?

What will be an ideal response?