Assertion: adelie penguin's tail | /r/CapableOf | serve as both a rudder
Facets:
Source sentences:
text: The tail of the otter serves as both a rudder and a weapon.
text: Moreover, these tails work as navigational tools, guides, steerers and even as defense and protection weapons for otters.
text: The tail of the otter serves as both a rudder and a weapon.