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: MATH & SCIENCE 
Clue: Around 1850 George Boole devised a new take on this branch of math

SOLUTION: algebra

PROBLEM: Category: LITERATURE 
Clue: Poet who wrote, "Before I built a wall I'd ask to know what I was walling in or walling out"

SOLUTION: robert frost

PROBLEM: Category: LEADERS OF WORLD WAR II 
Clue: He was German propaganda minister from 1933 to 1945

SOLUTION:
joseph goebbels