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: REALLY GRIMM FAIRY TALES 
Clue: To marry a princess, Hans had to pluck a feather from the tail of this beast that was part lion, part eagle

Answer: griffin


Question: Category: 10-LETTER NAMES 
Clue: Roman myths called Hades' wife Proserpina, while the Greeks knew her by this name

Answer: persephone


Question: Category: WOODWINDS 
Clue: This woodwind with a pear-shaped bell is often called by its French name, cor anglais

Answer:
the english horn