please i just need option b and d

Overview The proposed system is a tracking system for the novel Covid-19 virus for students and staff at Eastern Mediterranean University to ensure a safe environment for academic endeavors. Due to the ongoing pandemic and the importance of accurate measures for the health security of students and staff, this system aims to provide a platform where every student and staff is I equipped with a personal real-time Covid-19 tracker. The system will function primarily on its user's mobile devices (e.g, tablet, smart phones). This is because of the vast availability of the mobile device use among staff and students. 1. Draw the following UML diagrams for the proposed system. a. Activity diagram b. Create an event list and table c. Use case diagram d. Use Case Specification for each use case e. Domain Class diagram f. Navigation Diagram I e) class siagram, Student sta re None email id Tracking system Name designation 'N class Section No of people Deviceid Track) Checkup Name attendo Track) Reporte) Registere) Searche)