Assertion: robin's nest | /r/MadeOf | bark
Facets:
Source sentences:
text: The nest is a neat, deep cup, made of soft dry grass and bark.
text: The nest is a neat, deep cup made of soft dry grass, moss, and bark.
text: The nest is a neat deep cup made of soft dry grass and bark.
text: The nest is a shallow cup made of bark, grass, and dry leaves.