instruction:
You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.
question:
Category: WORLD LEADERS 
Clue: At his 1994 inaugural, he called for "a rainbow nation at peace with itself and the world"
answer:
nelson mandela


question:
Category: POLITICAL CAMPAIGNS 
Clue: This man's successful 2001 campaign was the most expensive non-presidential campaign in history
answer:
michael bloomberg


question:
Category: U.S. STATES 
Clue: A popular nickname of this state comes from a plant, Poa pratensis, that covers the state
answer:

kentucky