question: school:student
choices.label: A B C D
choices.text: prison:police hospital:doctor factory:worker cruise ship:crew
explanation: "students" study in "schools", and there are two main groups in "schools", one is teachers and the other is "students", and in these two groups, "students" are managed. "police" work in "prisons", and there are two main groups in "prisons", one is criminals, the other is "policemen", and "policemen" are managers. "doctors" work in "hospitals", and there are two main groups in "hospitals", one is "doctors" and the other is patients, and in these two groups, "doctors" are managers. "workers" work in "factories", and there are two main groups in "factories", one is laborers, namely "workers", and the other is leaders, and in these two groups, "workers" are managed by. the "crew" works on a "cruise ship", and there are two main groups on the "cruise ship", one is the tourists and the other is the "crew", and in these two groups, the "crew" is the service provider.