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: MATH TERMS 
Clue: The term surd refers to irrational numbers like this number's square root, 1.7320508...
answer:
3


question:
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
answer:
commission


question:
Category: FAMOUS QUOTES 
Clue: He said in 1970 of invasion of Cambodia, "We are all the President's men"
answer:

henry kissinger