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: THE CALENDAR 
Clue: Civilization that produced the first known calendar with 365 days

A: ancient egypt
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Q: Category: MEN OF MEDICINE 
Clue: After giving birth in Paris, American Marjorie Karmel wrote "Thank You" him & co-founded an orgianization now named for him

A: fernand lamaze
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Q: Category: 20th CENTURY SCIENCE 
Clue: The 1970s saw the coining of the term "runner's high" & the discovery of these opiate proteins that produce it

A:
endorphins
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