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.

Category: THE BIG APPLE 
Clue: On the NYC subway this train will also take you to Harlem, but then it splits off & heads for Yankee Stadium
the b train

Category: WHICH U.S. CABINET DEPARTMENT? 
Clue: The Federal Bureau of Prisons
justice

Category: LITERARY POP 
Clue: These mega-cool rockers took their band name from an Aldous Huxley book about using mescaline

the doors