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.

Input: Consider Input: Category: GEOGRAPHY 
Clue: This Sudanese capital is located at the junction of the Blue & the White Nile

Output: khartoum


Input: Consider Input: Category: TO THE "LEFT" HAND SIDE 
Clue: Artsy southern section of Paris

Output: the left bank


Input: Consider Input: Category: SCIENCE & NATURE 
Clue: Collectively, argon, helium, krypton, neon, radon & xenon are known by this "heroic" name


Output: noble gases