Assertion: female wolf | /r/CapableOf | give birth
Facets:
value: in caves
type: LOCATION
value: in the ground
type: LOCATION
value: in holes
type: LOCATION
Source sentences:
text: Female wolves give birth in caves or holes in the ground, called dens, which provide protection from the weather and predators.
text: After a female wolf gives birth, she sticks close to her helpless pups and doesn't leave her den for several weeks.