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.

[EX Q]: Category: THE CRUCIBLE 
Clue: Crucibles are sometimes made out of this ceramic material made by firing pure clay
[EX A]: porcelain

[EX Q]: Category: PHOTOGRAPHERS 
Clue: In April 1875 the Library of Congress gained possession of his Civil War photographic plates for $25,000
[EX A]: mathew brady

[EX Q]: Category: PSILENT "P" 
Clue: Let's park in the Jurassic to see this flying reptile with a birdlike beak
[EX A]:
a pterodactyl