Final answer:
Irony is a literary device that creates unexpected outcomes. It adds depth and engages audiences by subverting expectations.
Explanation:
Irony is when there is a disconnect between what is expected and what actually occurs, often creating humor or surprise. In the given options, the best example of irony is option C, a cleaning product that leaves behind a huge mess. This is ironic because the purpose of a cleaning product is to clean, not create a mess.
Another example of dramatic irony can be seen in Shakespeare's play Romeo and Juliet where the audience knows the outcome while the characters do not.
Irony adds depth to literature and helps engage the audience by subverting expectations.
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