Assertion: whale | /r/CapableOf | display their fitness
Facets:
value: by doing acrobatic stunts
type: MANNER
Source sentences:
text: Males whales such as the humpback will also communicate by creating loud low-pitched melodic tones (known as whale songs) and display their fitness and health by doing acrobatic stunts such as breaching the water and tail slapping which also helps show off their dominance and attract a female.