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.

Category: OLD HISTORY 
Clue: In this work Virgil wrote that "a woman is always a fickle, unstable thing"
the aeneid

Category: BIOLOGY 
Clue: Like mushrooms, molds belong to this group of organisms that lack chlorophyll
fungi

Category: THE DECLARATION OF INDEPEDENCE 
Clue: The rough draft read, "We hold these truths to be sacred and undeniable"; it was changed to this

self-evident