Assertion: bison | /r/CapableOf | rub their horns
Facets:
value: against trees
type: TRANSITIVE-OBJECT
value: against young saplings
type: TRANSITIVE-OBJECT
value: on trees
type: LOCATION
value: against utility poles
type: TRANSITIVE-OBJECT
Source sentences:
text: They rub their horns against trees, young saplings, and even utility poles.
text: In fall and winter, the bison assemble in wooded areas where they rub horns against young saplings and trees that emit aroma to keep off insects.
text: Bison even rub their horns on trees.