Relation lis#involvement_by_reference (lis#thing,lis#activity [49..*])  click here for details
  exclusion:  lis#composition_of_individual  lis#cause_of_event  lis#relative_location  lis#connection_of_individual  lis#individual_used_in_connection  lis#lifecycle_stage  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
  supertype:  lis#relationship  indicates something that one thing has to do with another; click here for details
  similar_to:  pm#relation_to_situation
  member of:  lis#class_of_involvement_by_reference (lis#role_and_domain,lis#class_of_activity)  click here for details