It is responsible to turn in a lost item.
Jake was at an airport, and he found a diamond ring on the ground.
Jake wants to decide what to do with the ring.
Jake walks up to an airport attendant and tells them that he found the ring.
Jake decides to keep the ring and sell it to a jeweler.
Jake is happy that he did the right thing regardless of if the owner is found.
Jake feels guilty and hopes the owner doesn't need the ring.