Relation pm#corrective_statement (pm#description,pm#description)
  supertype:  pm#contextualizing_relation__contextualizingrelation
  subtype:  pm#corrective_specialization (pm#description,pm#description)
     subtype:  pm#corrective_existential_specialization (pm#description,pm#description)
  subtype:  pm#corrective_generalization (pm#description,pm#description)
     subtype:  pm#corrective_existential_generalization (pm#description,pm#description)
  subtype:  pm#corrective_restriction__corrective_precision (pm#description,pm#description)
     subtype:  pm#corrective_existential_specialization (pm#description,pm#description)
  subtype:  pm#corrective_extension (pm#description,pm#description)
  subtype:  pm#corrective_reformulation (pm#description,pm#description)
  subtype:  pm#correction (pm#description,pm#description)