Assertion: bracken's frond | /r/HasProperty | consumed by native americans
Facets:
value: in other regions of the world
type: LOCATION
value: in the u.s.
type: LOCATION
value: widely
type: DEGREE
value: for centuries
type: TEMPORAL
Source sentences:
text: The young immature fronds of bracken ferns are known as fiddleheads and were widely consumed by Native Americans in the U.S. for centuries as well as in other regions of the world.