Assertion: pregnant polar bear | /r/CapableOf | spend 120 days
Facets:
value: during the 1980s
type: TEMPORAL
Source sentences:
text: During the 1980s, non-pregnant polar bears spent 120 days fasting between hunting seasons, but researchers now think that the bears will have to go without food longer and longer, fasting for as much as 180 days at a time in the future.