#poltergeist  a ghost that announces its presence with rapping and the creation of disorder
  supertype:  ghost  the visible disembodied soul of a dead person
     supertype:  psyche__soul  the immaterial part of a person; the actuating cause of an individual life
        supertype:  spirit.vital_principle  the vital principle or animating force within living things
           supertype:  vital_principle__vitalprinciple__life_principle  a hypothetical force to which the functions and qualities peculiar to living things are sometimes ascribed
              supertype:  causal_agent__cause__causal_agency  any entity that causes events to happen
                 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

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