Assertion: orangutan's orangutan | /r/CapableOf | walk on the ground
Facets:
value: quadrupedally
type: MANNER
Source sentences:
text: On the ground, orangutans walk on all fours.
text: On the ground, orangutans walk quadrupedally with feet clenched and 'knuckle-walking.'
text: When on the ground, orangutans walk on all fours, using their palms or fists.