Person$-$ Attributes: name, ageMethods: getNameO, getAge Student $($inherits from Person$)$Attributes: studentID, gradeMethods: getStudentIDO, getGradeO Teacher $($inherits from PersonAttributes: employeeID, subject$-$ Methods: getEmployeeIDO, getSubjectO Course$-$ Attributes: courseName, courseCodeMethods: getCourseNameO, getCourseCodeO DepartmentAttributes: departmentName, departmentCodeMethods: getDepartmentName, getDepartmentCodeO ClassroomAttributes: roomNumber, capacityMethods: getRoomNumber, getCapacity SchoolAttributes: schoolName, addressMethods: getSchoolName, getAddress LibraryAttributes: libraryName, booksMethods: getLibraryNameO, getBooksORelationships Generalization $($Inheritance$)$:Student and Teacher classes inherit from the Person class. Association:Student and Teacher classes have a relationship with the Course class $($a student$/$teacher can enroll$/$teach multiple courses$).$Library has a relationship with the School $($a school can have a library$).$ Aggregation:School class aggregates the Department class $($a school can have multiple departments$).-$ Department class aggregates the Course class $($a department can offer multiple courses$).$