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: HOW DO THEY WORK?
Clue: Many car salesman work on "straight" this, though you're better off buying from one who's on salary

SOLUTION: commission

PROBLEM: Category: BEFORE I WAS ELECTED
Clue: Senator Lincoln Chafee of this New England state spent 7 years as a blacksmith at racetracks in the U.S. & Canada

SOLUTION: rhode island

PROBLEM: Category: ENDS IN "EE"
Clue: The 2 swords used in women's fencing are the foil & this

SOLUTION:
the epee