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: GODS & GODDESSES 
Clue: Augustus Caesar encouraged the worship of this god who was considered the avenger of Julius Caesar
mars

Category: BRITISH AUTHORS 
Clue: His son Christopher said, my father "got to where he was by climbing upon my infant shoulders"
a.a. milne

Category: BIBLICAL NAMES 
Clue: Trees with biblical names include the Joshua tree & the world's oldest tree, a 4,700-year-old pine named for him

methuselah

