Relation pm#location (spatial_object,spatial_object)
  supertype:  relation_to_another_spatial_object
  similar_to:  relative_location  connection_of_individual
  subtype:  address__addres (spatial_object -> spatial_object)
     subtype:  main_address (spatial_object -> spatial_object)
     subtype:  secondary_address__secondaryaddres (spatial_object -> spatial_object)
  subtype:  above (spatial_object -> spatial_object)
     subtype:  on (spatial_object -> spatial_object)
  subtype:  below (spatial_object,spatial_object)
  subtype:  near (spatial_object -> spatial_object)
     subtype:  touching (spatial_object -> spatial_object)
  subtype:  far_from__farfrom (spatial_object,spatial_object)
  subtype:  exterior__in (spatial_object -> spatial_object)
  subtype:  interior (spatial_object,spatial_object)
  subtype:  before_location__before (spatial_object,spatial_object)