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: WANNA BET? 
Clue: In the '50s, Edward Thorp fed millions of hands of this game into a computer which figured out how to win at it

Answer: blackjack


Question: Category: UNITS OF MEASURE 
Clue: The scale on the bottom of a sextant is in these units

Answer: degrees


Question: Category: WHEN THEY WERE TEENS 
Clue: Tyra Banks must love pets--when she was a teen, her dream was to be this kind of doctor

Answer:
a veterinarian