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.

[Q]: Category: 20th CENTURY ART 
Clue: Russian-born artist whose work is seen here:
[A]: marc chagall


[Q]: Category: STATE DEPARTMENT TRAVEL WARNINGS 
Clue: "Sept. 17, 2008, armed terrorists attacked a U.S. embassy in Sana'a" in this country, so "y" go?
[A]: yemen


[Q]: Category: MUSEUMS 
Clue: The Vasamuseet in Stockholm houses one of the oldest complete examples of these, the Vasa
[A]:
a ship