Assertion: water buffalo's horn | /r/HasAspect | hard keratin
Facets:
value: like mammalian horns
type: OTHER
Source sentences:
text: These lizards have horns on their heads which have a hard keratin covering over a bony core, like mammalian horns.
text: These lizards have horns on their heads which have a hard keratin covering over a bony core, like mammalian horns.