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: SIGNS & SYMBOLS 
Clue: The official insignia of this profession includes a serpent on a staff, a Greek delta & 32 leaves

Answer: dentistry


Question: Category: NOTABLE WOMEN 
Clue: On Jan. 4, 2007, she said, "For our daughters & our granddaughters, today we have broken the marble ceiling"

Answer: nancy pelosi


Question: Category: GEOGRAPHY 
Clue: Since the breakup of the Soviet Union, this is the largest country in area in the world

Answer:
russia