Assertion: walrus | /r/HasAspect | two pairs of flippers
Facets:
Source sentences:
text: Walruses have two pairs of flippers that are used to help to propel these large animals with great agility through the water, with their bodies powered by their back flippers while the front flippers are used to steer them in the right direction.
text: They have two pairs of flippers which they use to propel themselves quickly through the water.