Awriter may add humor and commentary to a plot through the use of _[blank]_.

A writer may add humor and commentary to a plot through the use of absurd situations.

A riddle is a question that is delivered using figures of speech. It is not taken literally but it must be answered cleverly. Other riddles are written in rhythmic patterns for art, but it is not necessary. From the choices, all would apply except for Sphinx. Sphinx is a mythical creature that is half lion and half man.