Provide a design to create salad objects for Garden salad and Chef salad. A Garden salad has avocado and mushrooms as its major ingredients, while a Chef salad has eggs and ham. Both Garden salad and Chef salad have common ingredients: lettuce, tomatoes, and cheese. It is alright for a customer to get a Chef salad with some avocado or mushrooms. Likewise, a Garden salad can also have eggs or ham added.$$ Besides, customers can exclude some ingredients to save money. What design pattern is good for this purpose? Utilize the composite recursive design pattern to show the relationships in this design. Please provide a UML class diagram.