Relation lis#relationship (?,?)  indicates something that one thing has to do with another; click here for details
  supertype:  abstract_object  relation_with_particular_property (pm)
  subtype: {composition_of_individual cause_of_event relative_location connection_of_individual individual_used_in_connection lifecycle_stage involvement_by_reference specialization other_relationship classification class_of_relationship_with_signature intended_role_and_domain possible_role_and_domain representation_of_thing usage_of_representation responsibility_for_representation approval comparison_of_property functional_mapping recognition indirect_property temporal_sequence}
  member of:  class_of_relationship (*)  click here for details
     member of:  class_of_class_of_relationship (?,?)  click here for details