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: GO WITH THE FLOW 
Clue: The Tigris flows into this gulf

Answer: the persian gulf


Question: Category: GOT MILNE? 
Clue: One of Milne's early successes was the collection of light verse titled "When We Were Very" this

Answer:
young