Assertion: polar bear's mother | /r/CapableOf | fatten her kids
Facets:
value: to 10-15 kg
type: OTHER
value: at birth
type: TEMPORAL
Source sentences:
text: The mother and her cubs remain in the den until mid February or mid April – an involuntary fast for the mother who is living off her fat reserves while also fattening her kids from barely 1 kg (around 2 lb) at birth to 10-15 kg (22-33 lb).