Assertion: deer's antler | /r/HasProperty | pure bone
Facets:
Source sentences:
text: Antlers are pure bone, while horns have a bony core and a keratin sheath.
text: Antlers are pure bone, while horns have a bony core and a keratin sheath.
text: Antlers are pure bone, and grow larger year after year after the animal has shed
text: Antlers are pure bone, and grow larger year after year after the animal has shed Antler Velvet –