Assertion: swallow's nest | /r/MadeOf | grass
Facets:
value: entirely
type: DEGREE
value: often
type: TEMPORAL
Source sentences:
text: The female then builds a cup-like nest made of grass and pine needles with the male helping by way of fetching materials for the nest.
text: The nest is often made entirely of grass, but may include pine needles, mosses, rootlets, aquatic plants, animal hair, and artificial materials like cellophane or cigarette filters.