Each game company usually has more than one competitive strategy, and the set of all its strategies constitutes the strategy set of the company. In the company's respective strategy set, if there is one, no matter what strategy the competitors adopt, they can benefit the most from themselves. Strategy, which is called a dominant strategy, while the other strategies are disadvantaged strategies. The two existing companies A and B are considering whether to promote products through advertising. According to the above definition, Which of the following judgments are correct:. ['If both A and B advertise, the benefits of both are the largest, then advertising is the dominant strategy of A and B.', 'B advertises or does not advertise, A advertises the most profit, so advertising is the dominant strategy of A.', "A advertises or does not advertise, B advertises a small amount of profit, so excluding advertising is B's dominant strategy.", "If A does not advertise and B advertises, A's profit is the largest, so not advertising is the dominant strategy of A."]