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 consistency, answers should be in all lower cased letters.
PROBLEM: Category: FAMOUS MOMS 
Clue: In 1872 Julia Ward Howe, mother of 6, suggested Mother's Day but wanted it in this month, which sounds a bit late

SOLUTION: june

PROBLEM: Category: ECONOMICS 
Clue: After deducting all expenses from your gross profit, you're left with this

SOLUTION: net

PROBLEM: Category: UPPERS & DOWNERS 
Clue: The word "winch" is from Old English for this simple machine, which helps a winch lift stuff

SOLUTION:
a pulley