Assertion: groundhog | /r/CapableOf | spend winter
Facets:
value: in dens
type: LOCATION
value: usually
type: DEGREE
Source sentences:
text: Groundhogs usually spend their summers and winters in dens.
text: Groundhogs spend the winter hibernating in their burrows, significantly reducing their metabolic rate and body temperature; by February, they can lose as much as half their weight.