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.

Input: Consider Input: 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

Output: commission


Input: Consider Input: Category: "WORLD" BOOK 
Clue: John Irving established his reputation with this 1978 book about the life of a novelist

Output: "the world according to garp"


Input: Consider Input: Category: '70s POP CULTURE 
Clue: In 1972 he spread a 200,000 square-foot curtain across a mountain valley in Colorado


Output: christo