For some reason, A and B are currently facing the choice between A and B. If both choose A. they will each get 3 unit benefits; if one chooses A and the other chooses B, then Those who choose Plan A get 8 unit benefits, and those who choose Plan B get 1 unit benefit; if both choose Plan B, they get 5 unit benefits each. Assume that both A and B will proceed according to their own maximization criteria Both calculations and actions understand the above-mentioned benefits and losses. The two have no choice in order, and cannot exchange information in the choice. The two have only one chance to choose. Based on this, can it be launched? ['A chooses plan A; B chooses plan B.', 'A chooses plan B; B chooses plan A.', 'A chooses plan B; B chooses plan B.', 'A chooses plan A; B chooses plan A.']