TASK DEFINITION: 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.
PROBLEM: Category: CLASSICAL MYTHOLOGY 
Clue: Achilles died after one of these weapons wounded him in the heel

SOLUTION: an arrow

PROBLEM: Category: TO REMAIN "SILENT" 
Clue: Quiet alliterative nickname of the U.S. Navy's submarine fleet

SOLUTION: the silent service

PROBLEM: Category: STOCK SYMBOLS 
Clue: Smile & say cheese for this picture-perfect company, EK

SOLUTION:
eastman kodak