dl#space_region__spaceregion__S
  supertype:  physical_region  region
  part=>  space_region
  related_to:  space_region (dl)
  p_spatial_location of=>  perdurant
  spatial_location of<=  physical_endurant
  spatial_location of=>  physical_endurant [*,49..*]
  depends_on_spatial_location of=>  non-physical_endurant
  subtype:  spatio_temporal_region

No statement uses or specializes space_region; click here to add one.