Assertion: walrus | /r/CapableOf | float in the water
Facets:
value: because of these sacks
type: CAUSE
value: with the head above the water
type: MANNER
Source sentences:
text: Because of these sacks, walruses can float in the water in vertical position, with the head above the water.
text: Walruses have an air sac under their throat, which helps them float in the water so they can sleep!