please use UML notation model

3. Computer and Information Science College (CCIS) database A college divided into four schools. A Dean who is a professor administers each school. Each professor cannot be a dean of more than one school. It is not necessary that each professor need to be a dean of the school. At least one department should be there in a school. Each department belongs only to a single school \& each school has many departments. Each department may offers courses but not all the department (Research Department do not offer courses). The department may offer several sections (classes), each of those classes is taught by a professor at a particular time and place. Each department has one or more professor, one and only one professor can be the chair of the department, and no other department professor is required to accept the chair positions. Each professor may teach maximum four classes or none. Each class is a section of a course Create an Entity Relationship diagram with UML Model that captures this information about the CCIS. Be certain to indicate identifiers and cardinality constraints