Assertion: sunflower | /r/HasProperty | cultivated by native americans
Facets:
value: originally
type: OTHER
Source sentences:
text: Sunflowers were cultivated by Native Americans well over 1000 years ago.
text: Sunflowers were originally cultivated by Native Americans, and used for food and medicine.
text: Evidence shows that sunflowers were cultivated as long as 3000 B.C. by Native Americans.