#sorting  grouping by class or kind or size
  supertype:  grouping  the activity of putting things together in groups
  subtype:  triage  sorting and allocating aid on the basis of need for or likely benefit from medical treatment or food
  subtype:  separation.sorting  sorting one thing from others: "the separation of wheat from chaff"; "the separation of mail by postal zones"
     subtype:  threshing  the separation of grain or seeds from the husks and straw; "they used to do the threshing by hand but now there are machines to do it"
     subtype:  winnow__winnowing__sifting  the act of separating grain from chaff; "the winnowing was done by women"

No statement uses or specializes sorting; click here to add one.