Assertion: crane's nest | /r/MadeOf | grass
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: Nests are simple, mound-like platforms made of marsh plants, grasses and weeds piled on the ground in marshes or wet tundra.
text: The nest is usually made with dried plant material like grass, seeds, sedges, etc.
text: Once paired, mated couples build a large circular nest, made of grasses and vegetation, in a secluded area of marshy ground.