Text stimulus (diagram): Four-panel concept diagram titled Division of Labor Across Institutions. Panels labeled Clinic team, School staff, App development team, Food supply chain. In each panel, three small role circles point with arrows to one shared service circle. Additional evidence: a center caption: Specialized roles connect to shared outcomes. The text stimulus connects four examples: a clinic team, a school staff, an app development team, and a food supply chain. Each example has specialized roles pointing to a shared service. Which explanation best fits all four?