Problem: Determine the topic of the question-answer pair. Question: "what are metaphors used for?"; Answer: "Metaphor is a type of analogy and is closely related to other rhetorical figures of speech that achieve their effects via association, comparison or resemblance including allegory , hyperbole , and simile ."? Topic:

A: Metaphor

Problem: Determine the topic of the question-answer pair. Question: "where do mangos come from?"; Answer: "The mango is native to South Asia , from where it has been distributed worldwide to become one of the most cultivated fruits in the tropics ."? Topic:

A: Mango

Problem: Determine the topic of the question-answer pair. Question: "what county is san jose in??"; Answer: "San Jose (; Spanish : St. Joseph ) is the third-largest city in California , the tenth-largest in the U.S., and the county seat of Santa Clara County which is located at the southern end of San Francisco Bay ."? Topic:

A: San Jose, California

Problem: Determine the topic of the question-answer pair. Question: "what is middle class in the us?"; Answer: "Constituting roughly 15% to 20% of households is the upper or professional middle class consisting of highly educated, salaried professionals and managers."? Topic:

A:
American middle class