Relation rst#elaboration (description_content/medium/container,description_content/medium/container)  e.g., rst#subtype rst#property, rst#part
  exclusion:  circumstance  solution  cause  effect  definition  comparison  means  condition  otherwise  interpretation  restatement  summary  theme  contrast
  supertype:  subject_matter_rhetorical_relation  connect to details for making a better description
  subtype:  subtype (description_content/medium/container,description_content/medium/container)
  subtype:  instance (description_content/medium/container,description_content/medium/container)
  subtype:  illustration (description_content/medium/container,description_content/medium/container)
  subtype:  attributive_relation__attributiverelation (description_content/medium/container,description_content/medium/container)
     subtype:  property (description_content/medium/container,description_content/medium/container)
     subtype:  attribute (description_content/medium/container,description_content/medium/container)
     subtype:  possession (description_content/medium/container,description_content/medium/container)
  subtype:  part (description_content/medium/container,description_content/medium/container)
  subtype:  subtask (description_content/medium/container,description_content/medium/container)
  subtype:  specialization (description_content/medium/container,description_content/medium/container)