Assertion: cockatoo's group | /r/CapableOf | call flock
Facets:
Source sentences:
text: Most parrots are social birds that live in groups called flocks.
text: Parrots live in large groups called flocks that usually consist of 20 to 30 animals.
text: Parrots are social creatures and they live in groups called ‘flocks’ that can have a few or as many as twenty to thirty birds.