Assertion: trumpeter swan's feather | /r/HasProperty | prized as adornment
Facets:
value: for fashionable hats
type: PURPOSE
Source sentences:
text: The skins of the birds were used to make powder puffs, the largest flight feathers made what were considered to be the best quality quill pens, and the pure white feathers were prized as adornments for fashionable hats.