Assertion: narwhal's tusk | /r/ObjectUse | used as weapon
Facets:
Source sentences:
text: Recent observations seem to support the theory that the tusk is used as a weapon by the males in battles over possession of females.
text: Recent observations seem to support the theory that the tusk is used as a weapon by the males in battles over possession of females.
text: There's no mention that I can see of the tusk being used as a weapon - only a brief mention of it being used in the male dominance game, and even that was a theory.