What are the Antonyms for Lost and Found?

My high school teacher had us a homework and it asked us to find the most Antonyms for lost and found. Please give me lots of antonyms.What are the Antonyms for Lost and Found?
Lost is an antonym for found, and found is an antonym for lost.What are the Antonyms for Lost and Found?
lost and found are antonyms of each other...i think your teacher is smoking the funny stuff.What are the Antonyms for Lost and Found?
borrowed and never returned... lol

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