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.

Ex Input:
Category: LARGE EQUIPMENT 
Clue: For smooth travel, ballast tampers & ballast regulators keep the gravel at the right level among these

Ex Output:
railroad tracks


Ex Input:
Category: PLANE CRAZY 
Clue: On August 6, 1945 this B-29 airplane became the first to drop an atomic bomb in warfare

Ex Output:
the enola gay


Ex Input:
Category: WHAT THE "MEL" 
Clue: He penned the immortal introduction "Call me Ishmael"

Ex Output:

herman melville