Auction: The act of the client entrusting the item to a specialized agency for auction, and the specialized agency gets paid after completing the entrustment obligation. Which of the following are auctions:. ['The late Qing dynasty porcelain collected by Pharaoh was deposited with Lao, who opened an antique shop, and asked him to find a good price to sell it.', "Auctioneer Lin Qing accompanied his friend Liu Feng to the second-hand housing transaction market and sold Liu Feng's villa at a high price. Liu Feng offered 5,000 yuan as a reward.", "Jincheng Auction Company accepted a company's request to buy an 80% new Santana sedan for business staff to travel.", 'The court convicted Wang of guilty of embezzlement and bribery, sentenced to 10 years in prison, confiscated his illegal property, designated an auction company to auction, and the proceeds were turned over to the treasury.']