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 SCIENCE 
Clue: In 2002 Japanese scientists discovered it contains the enzyme Lachrymatory-Factor Synthase

SOLUTION: onions

PROBLEM: Category: SUPREME COURT JUSTICES 
Clue: Robert Jackson, the only justice to take a formal leave of absence, went to be a prosecutor in this foreign city

SOLUTION: nuremberg

PROBLEM: Category: POLITICIANS 
Clue: In 1928 this oilman served as chairman of the Republican State Central Committee of Kansas

SOLUTION:
alf landon