Please make a class diagram and Sequence Diagram for the Case

case:

Use Case Name	Generate Employee List
Triggering Event	The Office Administrator wants to see a list of all employees - this includes all Cleaning Staff, Concierges, and Property Managers.
Brief Description	This use case enables the Office Administrator to retrieve a list of all types of employees.
Actors	Office Administrator
Related Use Cases
Preconditions	The Office Administrator is logged in and has opened the Employee Menu. Employee options are displayed.
Post Conditions	The Employee List is displayed
Flow of activities	Actor		System
		Requests Employee Report	Generates a report showing all employees (name and number of each employee) and the position of each employee (position name)
Exception Conditions	Actor chooses to cancel request.