as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
categorize the following sentence as a form of irony:

the greatest thing since sliced bread is an invention that eliminates the need to slice it.
user
this sentence is an example of situational irony.
assistant