Retirement by the house: refers to the way the old person mortgages his property right to a financial institution, and regularly receives pensions and obtains corresponding services according to the agreed terms. After the death of the old person, the financial institution can dispose of the real estate according to the agreement and pay the various expenses already paid. Which of the following belong to the house? ['Recently, the Lao Li couple deposited the money to sell in the bank and lived in a nearby senior apartment together. The monthly deposit interest is sufficient to cover the various expenses there.', 'Mr. and Mrs. Zhang, who was over 20 years old, signed an agreement with the bank. During their lifetime, they received a monthly pension of 13,000 yuan from the bank; behind them, their property houses were disposed of by the bank.', 'Zhao was severely disabled in a car accident. He signed an agreement with the distant nephew of the pawnshop to take care of his daily life. The house in his own name will be transferred to the nephew in the future.', "An old man sold a big house in the city center after retirement and bought a second-hand small house to live in. The monthly pension plus the interest on the sale of the house made the couple's life very comfortable."]