Assertion: killer whale | /r/CapableOf | attack other species of prey
Facets:
Source sentences:
text: Why,” they write, “would humpback whales deliberately interfere with attacking killer whales, spending time and energy on a potentially injurious activity, especially when the killer whales were attacking other humpbacks that may not be related, or even more perplexingly, as in the majority of cases reported, when they were attacking other species of prey?