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: WORLD LEADERS 
Clue: Unopposed, he was elected to his 5th term as president in 1998; he's been in power since 1959

Output: fidel castro


Input: Consider Input: Category: ROMAN EMPERORS 
Clue: In 59 A.D. Agrippina wrote to this man, her son, "Tell me why I should plot against your life?"--she was killed anyway

Output: nero


Input: Consider Input: Category: CYBER-GLOSSARY 
Clue: In computerese this word from the Hindu faith means an icon of a user in virtual reality


Output: an avatar