Assertion: king vulture | /r/CapableOf | lack olfactory senses
Facets:
value: to lead them
type: PURPOSE
Source sentences:
text: Researchers used to think that king vultures weren't able to smell anything at all; they couldn't find buried food and often followed other, odor-sniffing birds to their prey, so everyone assumed that king vultures lacked the olfactory senses to lead them to fresh kills.