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 consistency, answers should be in all lower cased letters.
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Question: Category: 10-LETTER NAMES 
Clue: Roman myths called Hades' wife Proserpina, while the Greeks knew her by this name

Answer: persephone


Question: Category: WHO'S THE MRS.? 
Clue: Mrs. James Carville

Answer: matalin


Question: Category: THE SWEET SPOT 
Clue: 2-word term for benzosulfamide or aspartame, for example

Answer:
artificial sweetener