Assertion: highbush blueberry | /r/HasProperty | developed in early 20th century
Facets:
value: only recently
type: TEMPORAL
value: in new jersey
type: LOCATION
value: in new hampshire
type: LOCATION
Source sentences:
text: Though blueberries have been gathered and used by Native American tribes for hundreds of years, domesticated highbush blueberries were only recently developed in the early 20th century in New Hampshire and New Jersey.