Question

what is the definition of situational irony?
a situation in which an author makes fun of human flaws and imperfections
a situation in which the reader knows something the characters do not know
a situation in which what happens is the opposite of what was expected to happen
a situation in which a character says the opposite of what he or she really means

Explanation:

Situational irony occurs when the outcome is contrary to expectations. Making fun of human flaws is satire, reader - knowing something characters don't is dramatic irony, and a character saying the opposite of what they mean is verbal irony.

Answer:

a situation in which what happens is the opposite of what was expected to happen