The eldest brother, the second, the third and the third brothers work in Shanghai, Zhejiang, and Jiangxi. Their occupations are lawyers, doctors, and civil servants. Known: the boss does not work in Shanghai, the second child does not work in Zhejiang; the people who work in Shanghai are not civil servants; Zhejiang works as a lawyer; the second child is not a doctor. So where does the boss, the second child, and the third child work? ['Zhejiang, Shanghai and Jiangxi.', 'Zhejiang, Jiangxi and Shanghai.', 'Jiangxi, Shanghai and Zhejiang.', 'Jiangxi, Zhejiang and Shanghai.']