#Nibelung  (Teutonic mythology) any of the race of dwarfs who possessed a treasure hoard that was stolen by Siegfried
  supertype:  dwarf  a legendary creature resembling a tiny old man; lives in the depths of the earth and guards buried treasure
     supertype:  faery__fairy__faerie__sprite  small, human in form, playful, having magical powers
        supertype:  spiritual_being__spiritualbeing__supernatural_being  an incorporeal being believed to have powers to affect the course of human events
           supertype:  imaginary_spatial_entity__imaginaryspatialentity  e.g., a cartoon character
              supertype:  imaginary_entity__imaginaryentity  an entity that has been imagined
                 supertype:  entity_playing_some_role  e.g., an agent, an owner
                    supertype:  entity  something that can be "involved" in a situation
                       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:  thing_that_can_be_seen_as_a_relation  usable as relation type
                       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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