Assertion: trumpeter swan's nest | /r/HasProperty | large mound
Facets:
value: basically
type: DEGREE
value: with a depression in the center
type: OTHER
Source sentences:
text: Each nest is a large mound with a depression in the center, lined with feathers and down.
text: The nest is basically large open bowl.
text: The nest is a large pile of plant matter built on dry ground or on small islands near lakeshore.