Assertion: kangaroo | /r/CapableOf | move its tail
Facets:
value: gradually
type: MANNER
value: in order to move
type: PURPOSE
Source sentences:
text: Because its hind legs and feet are much stronger and larger than their forelimbs, in order to move at slow speeds, a kangaroo has to move its tail to form a tripod with its two forelimbs, and then raises its hind feet forward.
text: The point when kangaroo is moving gradually the tail is utilized as an additional leg and helps the kangaroo when it is standing on its rear legs.