instruction:
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.
question:
Category: HEAVY MACHINERY 
Clue: By definition it's a machine that gives a surface an even degree of slope
answer:
grader


question:
Category: BEFORE, DURING & AFTER 
Clue: The "holy" first pope is in this '60s folk trio also including this actress who was "America's Sweetheart"
answer:
pope peter paul and mary pickford


question:
Category: FEMINISM 
Clue: The League of Women Voters was founded in this year in which women first voted nationally for president
answer:

1920