UML Class and Sequence Diagrams Suppose that you are going to develop a network-based course registration system for the university. For the ease of understanding a partial natural-language based requirements has been shown as follows: 1. Students 1.1. The students should be able to log into the system 1.2. The students should be able to add their course registrations 1.3. The students should be able to remove their course registrations 1.4. The students should be able to change their course registrations 1.5. The students should be able to query all courses 1.6. The students should be able to list all their registered courses 2. Instructors 2.1. The instructors should be able to log into the system 2.2. The instructors should be able to query student list for all classes 2.3. The instructors should be able to edit course descriptions 2.4. The instructors should be able to print the course information 3. Svstem administrators 3.1. The system administrators should be able to log into the system 3.2. The system administrators should be able to manage the student information 3.3. The system administrators should be able to manage the course information, e.g., add change, and remove courses 3.4. The system administrators should be able to add, switch, and remove students for eaclh course 1) Please draw the class diagram to design the course registration system