Assertion: marmot | /r/CapableOf | hibernate for up to 200 days
Facets:
value: by huddling together in underground burrows
type: MANNER
value: at a time
type: TEMPORAL
Source sentences:
text: By huddling together in underground burrows lined with hay or grass, marmots hibernate for up to 200 days at a time, easily spending half of their 13 to 15 years of life asleep.