In the lecture 2 the factory design pattern has been described and given two examples; the class show pizza example you need to do the following: Design UML for pizza class (abstract class) which has four types of pizza (concrete class) the types of pizza as follow (banana pizza, chicken pizza, pineapple pizza, beef pizza) and one factory class to implement the choice based one customer request (client class). The customer supposes to press order number to display his/her order in the screen. Each of type of pizza has some behavior (method) to describe content of pizza