Assertion: swan | /r/CapableOf | feed on aquatic vegetation
Facets:
value: primarily
type: DEGREE
Source sentences:
text: Swans feed primarily on aquatic vegetation, with their long necks allowing them to feed on plants growing on river beds.
text: Swans eat aquatic vegetation, which their long necks equip them to take from the riverbed.
text: These swans feed primarily on aquatic vegetation.