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: "B" & "O" 
Clue: They play home games at Camden Yards
[A]: baltimore orioles


[Q]: Category: ROCKS & MINERALS 
Clue: A mixture containing antimony is sprayed on canvas to render it this
[A]: fireproof


[Q]: Category: ANIMALS 
Clue: The pocket gopher uses this almost hairless appendage as a sense organ to feel its way in the dark
[A]:
tail