Assertion: sea otter's pup | /r/HasProperty | built up enough insulation
Facets:
value: to withstand the cold temperatures
type: PURPOSE
Source sentences:
text: Because of their highly developed insulating fur—polar seals and sea lions must regulate their body temperatures between 96.8–100.4 degrees Fahrenheit (36–38 Celsius) in frigid waters—they must give birth on land or ice and remain there until the pups have built up enough insulation to withstand the cold temperatures.