An institution received three visitors in one day: Lao Zhao, Lao Qian and Lao Sun. After the talks, the three comrades of the department found that the surnames of the undergraduate section chief, deputy section chief and section members happened to be the same The visitor's last name is the same. In addition, Which of the following situations also exist: (1) the visitor's old money's home is in Wuxi. (2) the visitor old Zhao is an old worker with 28 years of service. (3) the deputy chief's family lives in Nanjing Somewhere between (4) the staff member and the colleague Sun surnamed turned out to be elementary school classmates. (5) one of the visitors was a neighbor of the deputy chief, and he was also an old worker. (6) Visitors with the same surname as the Deputy Chief live in Nanjing. Based on the above, which of the following judgments can be deduced to be true? ['Section Chief surnamed Zhao, Deputy Section Chief surnamed Qian, Section member surnamed Sun.', 'Section manager surnamed Qian, deputy section chief surnamed Sun, and section member surnamed Zhao.', 'Section Chief surnamed Sun, Deputy Section Chief surnamed Zhao, Section member surnamed Qian.', 'Section manager surnamed Sun, deputy section chief surnamed Qian. Section member surnamed Zhao.']