Assertion: black mamba's range | /r/HasProperty | the area
Facets:
Source sentences:
text: The black mamba is widely distributed in sub-Saharan Africa, with a range (the area in which it is found) covering much of the southern and eastern parts of the continent.
text: It has the largest range (the area in which it is found) of any ursid (member of the bear family, Ursidae).