TASK DEFINITION: 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 consistency, answers should be in all lower cased letters.
PROBLEM: Category: NEW MEXICO
Clue: In 1942 this comparatively isolated New Mexico place was chosen for an atomic research lab

SOLUTION: los alamos

PROBLEM: Category: WORLD HISTORY
Clue: In a 1918 treaty, this country gave up Ukraine but soon recovered it

SOLUTION: russia

PROBLEM: Category: CITY
Clue: After founding this city in 1535, Francisco Pizarro got his "Bean there, done that" t-shirt

SOLUTION:
lima