Assertion: panther's appearance | /r/HasProperty | sinister
Facets:
Source sentences:
text: Black panthers owe their sinister appearance and notoriety to a sizable overdose of melanin, the dark pigment responsible for coloring humans and many animal species.
text: Black panthers owe their sinister appearance and notoriety to a sizable overdose of melanin, the dark pigment responsible for coloring humans and many animal species.