---
- id: SI_base
  name: SI
  acceptable: true
- id: SI_derived_special
  name: SI
  acceptable: true
- id: SI_derived_non-special
  name: SI
  acceptable: true
- id: non-SI_acceptable
  name: non-SI
  acceptable: true
- id: non-SI_not_acceptable
  name: non-SI
  acceptable: false