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: FOOD 
Clue: A popular health food, this soybean curd is used to make a variety of dishes & an ice cream substitute

SOLUTION: tofu

PROBLEM: Category: "MEN" AT WORK 
Clue: This journalist said no one "has ever lost money by underestimating the intelligence of the great masses"

SOLUTION: mencken

PROBLEM: Category: FIRST LADIES 
Clue: This future first lady sometimes served as White House hostess for Jefferson

SOLUTION:
dolley madison