Assertion: sperm whale | /r/CapableOf | have attacked sharks
Facets:
value: occasionally
type: DEGREE
Source sentences:
text: Sperm whales do not have many predators, killer whales (orcas) are known to have attacked sperm whales and occasionally sharks; but since the early 1700s by a large the most serious predator of sperm whales has been homo sapiens.