Problem: Given the question: Determine the topic of the passage. "HartsfieldJackson Atlanta International Airport is the busiest single airport in the United States." Topic:
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The answer is:
List of the busiest airports in the United States

Problem: Given the question: Determine the topic of the passage. "The Tea Party movement is an American political movement that advocates strict adherence to the United States Constitution , reducing U.S. government spending and taxes , and reduction of the U.S. national debt and federal budget deficit ." Topic:
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The answer is:
Tea Party movement

Problem: Given the question: Determine the topic of the passage. "The access layer helps users retrieve data." Topic:
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The answer is:
Data warehouse