Matrix countermeasure refers to the two related subjects in the competition of interests, each of which has a limited choice of strategies, and the gain and loss of both parties in a round of countermeasures are zero, that is, whether they succeed or fail. The measure should be to formulate a response strategy that is conducive to the actions of the other party. The strategy chosen by each party must be the best response to the other's strategy prediction. According to the above definitions, which of the following is matrix games? ['Both sides negotiate wages, and after repeated bargaining, both sides make concessions.', 'The husband is going to play football, the wife is going to watch a movie, the son is going to an amusement park, and the last three go outing.', "After entering the Olympic women's volleyball final, a national team rearranges the lineup and appearance order of players.", 'Qi Wang and Tian Ji re-race the horse according to the original conditions, and agreed that each round of competition must use a horse of the same level.']