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.
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Question: Category: FREUD 
Clue: The one great question Freud said he could not answer was "What does" one of these "want?"

Answer: a woman


Question: Category: LANGUAGES 
Clue: The 2 languages on the Rosetta Stone

Answer: egyptian & greek


Question: Category: SO YOU THINK YOU CAN FRANCE 
Clue: With the 1960 test of Gerboise Bleue, France became the fourth of these, joining the U.S., U.S.S.R. & U.K.

Answer:
a nuclear power