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.

Q: Category: COUNTRIES' HIGHEST PEAKS 
Clue: These 2 nations, one an island, have highest peaks with the same name; they also share a common European culture

A: greece & cyprus
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Q: Category: LABOR UNION PRESIDENTS 
Clue: This current union president was the youngest person ever to receive a star on the Hollywood Walk of Fame

A: melissa gilbert
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Q: Category: COUNTRY NAMES 
Clue: The only 2 countries in the world with an "X" in their names, one is found in Europe & one in the Americas

A:
luxembourg and mexico
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