Assertion: manatee's relative | /r/HasProperty | steller's sea cow
Facets:
Source sentences:
text: It is the only living representative of the once-diverse family Dugongidae; its closest modern relative, Steller's sea cow (Hydrodamalis gigas), was hunted to extinction in the 18th century.
text: In their favor is the fact that we’re no longer deliberately chasing them down, unlike how humans hunted to extinction their long-lost relative, the Steller’s sea cow, in the 18th century.