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.

[Q]: Category: SEX CHANGES 
Clue: Don't let the pearls fool you, these lady bivalves can change into males when it suits them
[A]: oysters


[Q]: Category: THE STATE SHE GOVERNED 
Clue: Kathleen Sebelius, 2003 to 2009
[A]: kansas


[Q]: Category: FACT OR FICTION? 
Clue: Anna Anderson's preserved tissue was DNA tested in 1994 to prove that she wasn't this Grand Duchess
[A]:
anastasia