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.

Q: Category: LANGUAGES & DIALECTS 
Clue: Sesotho is a Sotho dialect mainly spoken in the Republic of South Africa & this kingdom

A: lesotho
****
Q: Category: I NEED "HOPE" 
Clue: It weighs 45.52 carats

A: the hope diamond
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Q: Category: LOTS OF "OIL" 
Clue: 7-letter word for the highest layer of dirt from which plants take nutrients

A:
topsoil
****