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.

Example Input: Category: WORLD GEOGRAPHY 
Clue: The name of this large port city on Western Europe's Schelde River literally means "at the wharf"
Example Output: antwerp

Example Input: Category: THAT'S SO CLICHE! 
Clue: To suffer a major defeat or setback is to "meet your" this, like Napoleon
Example Output: waterloo

Example Input: Category: PHILOSOPHY 
Clue: In "The Ethics", Spinoza wrote that nature abhors one of these
Example Output:
a vacuum