A university consists of several faculties, which are made up of various institutes. Each faculty and institute has a name. The address of each institute is known. 
Each faculty is headed by a dean, who is an employee of the university. 
The total number of employees is known. Employees have a social security number, a name, and an email address. A distinction is made between research and administrative staff. 
Research assistants (RA) are assigned to at least one institute. The field of research of each RA is known. In addition, RAs can be involved in projects for a certain number of hours, whereby the name, start and end dates of the projects are known. Some RAs teach courses. In this case, they are referred to as lecturers. 
Courses have a unique number (ID), a name and a weekly duration in hours.