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.

Q: Category: THE WHITE HOUSE
Clue: Among those who filled this post were Latisha Tyler Semple, Harriet Lane & Dolley Madison

A: first lady
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Q: Category: ENGINEERING
Clue: The motto of this 1904-1914 engineering project was "The land divided, the world united"

A: the panama canal
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Q: Category: BABOONS, BATS, & BANDICOOTS
Clue: Hamadryas baboons live in these, from Arabic for "forbidden", composed of one male & multiple females

A:
harem
****