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 consistency, answers should be in all lower cased letters.
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Question: Category: YADA YADA YADA 
Clue: In a 1775 speech he declared, "I know not what course others may take..." yada yada yada

Answer: henry


Question: Category: SABRINA'S WITCH HANDBOOK 
Clue: (Hi, I'm Melissa Joan Hart)  The traditional number of witches in this group is 13; a leader & 12 followers

Answer: coven


Question: Category: ANCIENT TIMES 
Clue: Julius Caesar said this region was divided into 3 parts; Augustus divided it into 4, including Aquitania

Answer:
gaul