Create a use case diagram according to the below scenario: Food Ordering Process 1) Clients should be authenticated for ordering, eating and paying for food. This could be done through user login page or single sign on. Authentication service is used in all these use cases as an external actor. 2) Waiters serve food to clients; also they may serve wine.(waiters can finalize the activities without authentication) 3) Clients ordering food and they may also order wine. 4) Clients eat food 5) Clients pay for food and may also pay for wine. 6) Cashier accepts payment after the payment process is finalized by Clients.(Cashier should be authenticated) For Cashiers to logout from the system, they should finalize the accept payment process.