Assertion: vulture | /r/HasAspect | feather
Facets:
value: on their heads
type: LOCATION
value: for sanitary purposes
type: PURPOSE
Source sentences:
text: Some vultures do have feathers on their heads, like the Lammergeier and Palm Nut Vulture.
text: For instance, they have no feathers on their heads, which allows them to stay cleaner while digging into messy carnage that may contain unhealthy bacteria.
text: I learned that vultures have no feathers on their heads for sanitary purposes.