Assertion: elephant | /r/HasProperty | tusk
Facets:
Source sentences:
text: An elephant is characterized by thick skin, tusks made of ivory, large pillar-like legs, large flapping ears, and a proboscis, or flexible trunk, that is a fusion of the nose and upper lip.
text: Elephants grow long teeth, these are called tusks.
text: An elephant with huge tusks is called a "tusker".