Assertion: oak | /r/HasAspect | 3 groups
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: Oaks are usually divided into 3 groups: red or black oaks (red, black and pin); white oaks (white, Garry and bur); and chestnut oaks (swamp white, chinquapin, dwarf cinquapin and chestnut).