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: ADMIRALS 
Clue: Opposed to war with the U.S., he nevertheless planned the Japanese attack on Pearl Harbor

Output: isoroku yamamoto


Input: Consider Input: Category: ASTRONOMY 
Clue: A galactic cloud of dust & gas, its name comes from the Latin for "cloud"

Output: nebula


Input: Consider Input: Category: PUT OUT THE CHINA 
Clue: With 900 million speakers, this dialect of Chinese is the world's most widely used


Output: mandarin