Relation lis#specialization (class,class)  click here for details
  exclusion:  composition_of_individual  cause_of_event  relative_location  connection_of_individual  individual_used_in_connection  lifecycle_stage  involvement_by_reference  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
  supertype:  relationship  indicates something that one thing has to do with another; click here for details
  similar_to:  supertype (lis)
  member of:  class_of_specialization
  subtype:  specialization_by_domain (role_and_domain,class)  click here for details
  subtype:  specialization_by_role (role_and_domain,role)  click here for details
  subtype:  boundary_of_property_space (property_space,property_space)  click here for details
  subtype:  specialization_of_individual_dimension_from_property (individual_dimension,property)  click here for details
  subtype:  boundary_of_number_space (number_space,number_space)  click here for details