Class : Staff                                   Objects : 30, 32, 24,

Class: Books                                 Objects : 9, 7, 16, 17, 22, 27, 26,20, 19

Class : News Papers                    Objects : 13, 12, 11

Class : Electronic Devices           Objects : 6, 1,  25, 31

Class : Furniture                          Objects : 29, 2, 10, 18