Assertion: bison | /r/CapableOf | play important role
Facets:
value: historically
type: TEMPORAL
value: on the north american plains
type: LOCATION
value: for many years
type: TEMPORAL
Source sentences:
text: Buffalo and bison played an important role on the North American plains for many years.
text: Bison played an important role in the disturbance regimes of prairie and woodland wilderness areas throughout central and northern North America historically.