Self-construction refers to an individual's behavioral performance to show that he is consistent with the established social identity or social image in the minds of others. According to the above definition, which of the following is self-constructed? ['The 16-year-old girl Huan Huan often imitates the performances of Repertory Theatre actors and gets up early to practice as she does. She herself hopes to become a play actor in the future.', "A company set a corporate mission to serve society at the beginning of its establishment. Later, it established a number of hope primary schools in remote mountain areas, which established a good image of the company's enthusiasm for social welfare.", 'Some entrepreneurs often wear expensive suits and sit in limousines. Some people think this is "show off their wealth", but they think that if it is not the case, they will not be recognized by their peers.', "Different airlines require our flight attendants to wear different uniforms. They think that the image of employees will affect the company's image in the minds of passengers."]