In order to enrich the amateur life of employees, a certain company allocates a fixed fund each year for the travel benefits of its employees. Some employees of the company spontaneously set up a donkey association, some of whom are the backbone of the company's technology. Recently, Some leaders of the company plan to use the funds for other purposes. The idea was agreed by all members of the company's management, but members of the Donkey Friends Association did not agree with the decision of the company's management. Based on the above statement, which of the following can be derived? ['Some technical backbones are not members of management.', 'Management members are not technical backbones.', 'The members of the Donkey Friends Association are technical backbones.', 'Some management members are technical backbones.']