Assertion: elephant's tusk | /r/HasProperty | curved
Facets:
value: to help
type: PURPOSE
Source sentences:
text: The tusks of the African Forest Elephant are pretty straight instead of curved to help them move through the thick jungle with greater ease.
text: They are also distinguishable for their curved tusks, and the number of nails they have on each foot: four on their front feet and three on their hind feet.