Assertion: cultivator | /r/HasProperty | self-propelled
Facets:
value: usually
type: DEGREE
Source sentences:
text: Cultivators are usually either self-propelled or drawn as an attachment behind either a two-wheel tractor or four-wheel tractor.
text: Cultivators are usually either self-propelled or drawn as an attachment behind either a two-wheel tractor or four-wheel tractor.