#iron_cage  a cage from which there is no escape
  supertype:  cage  something that restricts freedom as a cage restricts movement
     supertype:  constraint.confinement__restraint  the state of being physically constrained; "dogs should be kept under restraint"
        supertype:  confinement.subjection  the state of being confined; "he was held in confinement"
           supertype:  subjection__subjugation  forced submission to control by others
              supertype:  relationship.state  a state involving mutual dealings between people or parties or countries
                 supertype:  state  the way something is with respect to its main attributes; "the current state of knowledge"; "his state of health"; "in a weak financial state"
                    supertype:  state  situation that is not a process
                       supertype:  situation  something that "occurs" in a real/imaginary region of time and space
                          supertype:  thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
                    supertype:  process__proces__physicalsituation  intuitively, the class of things that happen and have temporal parts or stages; examples include extended events like a football match or a race, actions like pursuing and reading, and biological processes; sumo#process is not identical to pm#situation because an instance of pm#situation is not necessarily an instance of sumo#physical
                       supertype:  situation  something that "occurs" in a real/imaginary region of time and space
                       supertype:  process_or_process_description
                          supertype:  processing_thing
                             supertype:  thing_playing_some_role  category to classify things according to roles/viewpoints; classification under this category is application-dependant
                                supertype:  thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
                       supertype:  physical__physical_thing  an entity that has a location in space-time; locations are themselves understood to have a location in space-time; click here for more details on the identical category sowa#physical_thing
                          supertype:  thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type

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