Mechanical organization refers to the requirements of the environment for the organization in a stable situation, the organization's work has a more stable direction, and there are established solutions to the problems it faces. The working procedures are repeated and relatively fixed. Which of the following belong to the organization is (). ['Wang Hua and Li Ming went on an autumn tour, and met several other tourists. Everyone saved money and bought group tickets together.', 'Family in a TV series.', 'Studio of the TV crew and its members.', 'On the Long March of the Red Army, the young and the weak will advance together to avoid losing the team.']