create a functional model (use case diagram, activity diagrams, and use case descriptions) for the business processes associated with the Holiday Travel Vehicles sales system.
Create a sequence and a communication diagram for each scenario of each use case identified in the functional model.
Create a behavioral state machine for each of the complex classes in the class diagram.
Perform a CRUD analysis to show the interactivity of the objects in the system.
Perform a verification and validation walkthrough of each model: functional, structural, and behavioral.