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.

Example Input: Category: CURRENT EXPRESSIONS 
Clue: If you're engaging in wishful thinking, you may want to perform this type of "check"
Example Output: a reality check

Example Input: 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
Example Output: the b train

Example Input: Category: MADISON AVE. 
Clue: Celine Dion sang "I Drove All Night" in TV ads for the Pacifica & Crossfire models from this company
Example Output:
chrysler