Relation pm#owner_of__ownerof (pm#causal_entity,?)
  exclusion:  rst#attributive_relation  pm#purpose  aktp#has-author  aktp#owned-by  pm#owner  sumo#leader  pm#seller  pm#customer  pm#generator  pm#creator  pm#spatial_origin  sumo#exploits  sumo#has_purpose  sumo#has_purpose_for_agent  pm#measure  pm#attribute  pm#name  dc#Date  rdf#value  pm#rdf_reification_relation  pm#support  pm#example  pm#syntax  akts#has-magnitude
  supertype:  pm#attributive_relation__attributiverelation  like pm#binary_relation, this type mostly exists to categorize what cannot be categorized elsewhere
  inverse:  pm#owner
  equal:  nsm#have
  subtype:  sumo#possesses__possesse (dl#agentive_physical_object,sumo#object)  the agent has ownership of the object
  subtype:  sumo#property_fn (dl#agentive_physical_object -> sumo#set)  maps an agent to the set of objects owned by the agent