Assertion: mammoth's tusk | /r/ObjectUse | used for protection
Facets:
value: for digging in the snow
type: PURPOSE
value: in interspecies dominance
type: OTHER
Source sentences:
text: The tusks were used for protection, in interspecies dominance, and for digging in the snow of the ice ages for grass and other food.
text: The tusks were used for protection and for digging in the snow for grass and other food.