Assertion: bobcat's den | /r/HasProperty | lined with feather
Facets:
value: often
type: TEMPORAL
Source sentences:
text: The female gives birth to a litter of 1 to 4 kittens in a secluded den that is often lined with materials such as dry grass, feathers and deer hair.
text: The den is lined with feathers, deer hair, and dry grass to provide bedding for the young.