Civil juristic acts refer to the legal acts of citizens or legal persons to establish, modify, and terminate civil rights and civil obligations, including civil juristic acts with a time limit and civil juristic acts with conditions. The conditions attached to a civil juristic act are agreed by the actor to occur in the future Uncertain legal facts. A civil juristic act with a time limit refers to a civil juristic act in which a certain period is agreed in a civil juristic act, and the arrival of that period is a prerequisite for the occurrence, modification, and elimination of the actor's civil rights, obligations.
According to the above definition, which of the following are conditional civil legal acts?
A and B agree that B must withdraw the money 20 days after the conclusion of the contract