Assertion: antelope's horn | /r/HasProperty | hollow
Facets:
value: over a bony core
type: LOCATION
value: inside
type: LOCATION
Source sentences:
text: Although they vary greatly in size, nearly all antelope, like all bovines and regardless of size, have two horns that are hollow inside and covered with a sheath, and that vary significantly from species to species.
text: Not an antler, the horn is a hollow sheath over a bony core arising from the skull directly over the eyes.