Game: According to certain rules and in the environment of direct interaction, each participant depends on the information he has and chooses his own action to maximize the benefits and minimize the cost of risks. Among them, cooperative games refer to participation It is for the benefit of both parties to negotiate an agreement or form an alliance with other participants, and the result is beneficial to both sides of the alliance; non-cooperative gaming means that participants cannot reach a binding agreement when choosing actions. which of the following are cooperative games? ['After a fierce market competition, aircraft parts manufacturers negotiate and reach an agreement to choose different parts to avoid direct competition.', 'Several nearby fox breeding villages and towns have sent villagers to compete for customers at major passenger stations in order to increase their sales. Fox breeding in the area is therefore famous.', 'The more people involved in tug of war on both sides, the less effort each person involved in tug of war actually has.', 'Although members of the criminal gang know that if they keep their criminal secrets with each other, all members may be released without charge, but some people are worried that others will confess, so they confess to themselves first to reduce their sentences.']