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 consistency, answers should be in all lower cased letters.
PROBLEM: 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

SOLUTION: the b train

PROBLEM: Category: BROWN
Clue: The brown type of this still has its bran, so it's more nutritious than the white or the polished type

SOLUTION: rice

PROBLEM: Category: THE PLAGUE
Clue: Plague is generally spread from rodents to humans by these insects

SOLUTION:
fleas