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.
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Question: Category: __E__E__E 
Clue: A form of address for some royalty, it means calm & unruffled

Answer: serene


Question: Category: SUDDENLY SUDAN 
Clue: In 1995 this former U.S. president oversaw a ceasefire in Sudan to allow relief workers into war-torn areas

Answer: jimmy carter


Question: Category: WORDS IN (THE) DICTIONARY 
Clue: A bond, an electrovalent bond

Answer:
ionic