Assertion: swan | /r/CapableOf | feed on aquatic plants
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: Swans feed on vegetation, particularly on aquatic plants.
text: Swans eat underwater vegetation such as seaweed and aquatic plants when they are on the water and a mixture of plants, seeds and berries when they are on land.
text: These swans usually feed on aquatic plants and algae.
text: These swans usually feed on aquatic plants and algae.
text: These swans are herbivorous and eat only aquatic plants and grain.