1 Suppose we have a Hospital. The Hospital has three departments Inpatient, Outpatient and Emergency. Each department has Patients. Patients can be Male or Female. Following are the class and attributes in the hospital system: (3 Marks) a) Define all the given classes and draw an inheritance relationship between the classes in a best possible way. b) Declare a method display() in the hospital class and override the display() method in all subclasses