Social integration refers to a process of social action in which individuals or groups in a relatively disadvantaged position actively engage in reflective and continuous interaction with individuals and groups in a particular community. According to the above definitions, Which of the following are not social integration:. ['Yu Xiuhua overcomes the physical inconvenience caused by cerebral palsy, ignores the discrimination of the villagers, and finally succeeds in poetry creation.', "Xiao Wang suffered discrimination after he was released from prison, and eventually changed his views with kindness and perseverance and gained people's respect.", 'After Liu Liu resigned from the bank, he opened an investment company, using his accumulated resources, the company developed rapidly.', 'Mr. Xu is a university dream. At the age of 65, he ignored the opinions of others, prepared for the college entrance examination, and finally entered a university.']