Assertion: polar bear's mother | /r/CapableOf | care for cub
Facets:
value: in a sitting position
type: MANNER
value: on a fat-rich milk
type: TRANSITIVE-OBJECT
Source sentences:
text: On average, females produce two cubs in a litter and the mother cares for the cubs for up to two years, during which the mother will not mate.
text: The family remains in the den until mid-February to mid-April, with the mother maintaining her fast while nursing her cubs on a fat-rich milk.
text: Mothers nurse their cubs in a sitting position, or lying down on their side or back.