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 Q]: Category: CHARITIES 
Clue: Major Bill Hendricks, a Warner Bros. publicist, founded this holiday charity in 1947
[EX A]: toys for tots

[EX Q]: 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 A]: beijing & lhasa

[EX Q]: Category: MUSEUMS 
Clue: The detail seen here is from a painting in this museum
[EX A]:
the prado