Sea election refers to a direct election that does not nominate candidates. Which of the following does not belong to the election? ['A unit of the group congress adopted a balance of three out of five when electing the deputy secretary.', 'The village branch secretary of Daxing Village uses self-recommendation, voters vote, and those who get more votes are elected.', 'A campus literature society recruits several officers and asks for a recommendation.', 'A shopping mall is hiring a business manager, requiring a bachelor degree or above, 35-38 years old, familiar with business processes.']