Social self-organization refers to a social organization that is established spontaneously, develops independently, and acts on its own, in the form of a non-governmental organization, and gradually moves from disorder to order. According to the above definition, Which of the following options are not social self-organization:. ['A software company in a certain city regularly organizes entrepreneurship for business exchanges.', 'A group of students met through the QQ group and participated in respect for the elderly together every weekend.', 'Every Saturday night, young people are dancing hip-hop on a municipal park square.', 'A group of young people establishes animal shelters to adopt various abandoned pets.']