For some reason, Zhang and Li are faced with the choice of two schemes of A and B  If both people choose scheme A, they will each get three unit benefits; if one person chooses scheme A and the other chooses scheme B, then those who choose scheme A will get three unit benefits, and those who choose scheme B will get five unit benefits; if both people choose scheme B, they will each get two unit benefits
Assuming that both Zhang and Li calculate and act according to the standard of maximizing their own interests, they both understand the gains and losses of the above interests, and their choices are in order
When Zhang chooses scheme A, Li will choose scheme B