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: ORIGINAL TITLES 
Clue: Hitler originally titled it "Four and a Half Years of Struggle Against Lies, Stupidity and Cowardice"
[EX A]: mein kampf

[EX 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?
[EX A]: yemen

[EX Q]: Category: SCIENTISTS 
Clue: In 1846 Joseph Leidy discovered that the worm trichina is found in this animal
[EX A]:
pigs