Assertion: polar bear | /r/IsA | marine mammals
Facets:
value: like sea lions
type: OTHER
value: like sea otters
type: OTHER
Source sentences:
text: Just like sea lions and sea otters, polar bears are classified as marine mammals.
text: Just like sea lions and sea otters, polar bears are classified as marine mammals.
text: Polar bears are classified as marine mammals
text: Because of their dependence on the sea ice, polar bears are classified as marine mammals.