The deposit refers to the payment of a certain amount of money to the other party as a guaranteed method of the creditor's rights according to the agreement. After the debtor performs the debt, the deposit should be settled or recovered. If the party that pays the deposit fails to perform the agreed debt, it is not entitled to request the return of the deposit; If one party to the deposit fails to perform the agreed debts, the deposit shall be doubled. According to the above definitions, Which of the following are deposits:. ['Xiao Zhang gave a gift of 50,000 yuan to the woman at the time of engagement.', 'due to the shortage of car sources, Xiao Chen agreed to pay 10,000 yuan more to the 4S store in order to be able to pick up the car immediately when buying the car.', 'in order to ensure that employees continue to work at the company in the next year, some wages are withheld until the next year.', 'Xiaoli paid 20,000 yuan to the landlord after seeing a second-hand house. The two parties agreed that the landlord would sell the house to Xiaoli within one week.']