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.

Category: THE WIZARDS 
Clue: Novelist who wrote the line "I'm really a very good man; but I'm a very bad wizard"
l. frank baum

Category: "F" IN ANATOMY 
Clue: Hairs grow out of these pouchlike openings
follicles

Category: THE CRUCIBLE 
Clue: Crucibles are sometimes made out of this ceramic material made by firing pure clay

porcelain