instruction:
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.
question:
Category: WORLD CITIES 
Clue: Intercontinental flights to Scotland land at Prestwick Airport just outside this city
answer:
glasgow


question:
Category: FRENCH CLASS 
Clue: If you approach the signal called feu rouge on a French road, you'd better do this
answer:
stop


question:
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?
answer:

yemen