Assertion: otter's foot | /r/CapableOf | act like rudder
Facets:
value: to steer
type: PURPOSE
Source sentences:
text: Otters also have long, slightly flattened tails that move sideways to propel them through the water while their back feet act like rudders to steer.
text: Otters also have long, slightly flattened tails that move sideways to propel them through the water while their back feet act like rudders to steer.