Assertion: cardinal's nest | /r/MadeOf | grass
Facets:
Source sentences:
text: The nest, which is built by both parents, is a compact open cup made of grass, weeds, and plant stems lined with finer material.
text: The nest is a bulky cup made of grass and twigs and placed in a bush.
text: Nests are made of twigs, leaves, grasses, pine needles, and stems.
text: The nest is made of thin twigs, bark strips, and grasses, lined with grasses or other plant fibers.