No. Channeled the collective ability of thousands of sentient, passing ghosts. Acted as their instrument, much like a paintbrush. Created this glorious, one-on-a-kind painting of...a bee. Maybe a wasp? Declines to question precisely what or why. Clearly chose something to impart unto living. Leaves it for you to unlock. Could be yours...for a price.
(Hopes to make a mint off this, okay? Bids like crazy over things like toast and weirdly-shaped crackers. Why not "The Bee from the Afterlife"?)
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What is something you were taught in school, but never used afterward?