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: A TRIP ON THE "L" 
Clue: Big building on the back of the U.S. $5 bill

SOLUTION: lincoln memorial

PROBLEM: Category: PREPOSITIONAL PHRASES 
Clue: This Bob Seger song gained commercial popularity in Chevy truck ads

SOLUTION: "like a rock"

PROBLEM: Category: NBA TEAMS' HOME ARENAS 
Clue: AT&T (formerly SBC) Center

SOLUTION:
the san antonio spurs