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