Assertion: black mamba | /r/HasProperty | olive brown
Facets:
value: to grey colour
type: OTHER
Source sentences:
text: Black mambas can be olive green, olive brown, light or dark gray, yellowish brown, or a range of similar shades.
text: The black mamba is an olive-brown to grey colour, with a blue-black colouration on the inside of its mouth which gives this species its common name.