Assertion: bison | /r/CapableOf | browse willow
Facets:
value: in the winter
type: TEMPORAL
value: in the summer
type: TEMPORAL
value: in yellowstone national park
type: LOCATION
Source sentences:
text: In Yellowstone National Park, bison browsed willows and cottonwoods, not only in the winter when few other plants are available, but also in the summer.