Assertion: black footed ferret | /r/HasProperty | characterized by black feet
Facets:
Source sentences:
text: Black-footed ferrets are long, slender-bodied animals characterized by a brownish-black mask across the face, a brownish head, black feet and legs, and a black tip on the tail.
text: They are characterized by a black mask across the face, black feet and legs, and a black-tipped tail.