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.

Ex Input:
Category: THE SENATE 
Clue: The 2 astronauts who went on to become U.S. Senators

Ex Output:
john glenn


Ex Input:
Category: TRAINS 
Clue: As of 2006, you can take a 48-hr. ride between these 2 cities, with a stretch on the world's highest railroad

Ex Output:
beijing & lhasa


Ex Input:
Category: SCIENTISTS 
Clue: In 2007 this 1962 American Nobel laureate became the first person to receive his own personal genome map

Ex Output:

james watson