Enterprise legal person: refers to a social and economic organization that has legal requirements such as the amount of funds, company name, articles of association, organizational structure, and domicile that can meet the requirements of national laws, and can independently bear civil liability; approved by the competent authority and registered as a legal person. According to this definition, Which of the following are corporate legal persons:. ['A chicken factory built by the villager Zhao alone in the village.', 'Mr. Song and his wife contracted clothing sales stalls in the mall.', 'A state-owned tractor manufacturer on the verge of bankruptcy.', 'Liaison Office of a Multinational Company in China.']