Assertion: seahorse | /r/CapableOf | use a swim bladder
Facets:
value: to control buoyancy
type: PURPOSE
Source sentences:
text: They control their buoyancy using a swim bladder.
text: It is not at all surprising that they would be classified as fish, as they do have the characteristics of one: they have gills, and they use their swim bladder to control buoyancy.