Assertion: ostrich's feather | /r/ObjectUse | used as decoration
Facets:
value: for centuries
type: TEMPORAL
value: for feather dusters
type: PURPOSE
Source sentences:
text: Ostriches are raised on farms all over the world for their feathers which can be used as decorations or for feather dusters.
text: Ostrich feathers have been used as decorations for centuries, and they have also been employed in things like feather dusters.