Assertion: cockatoo's crest | /r/HasProperty | raised by the bird
Facets:
Source sentences:
text: Cockatoos differ from other parrots not only because of their crest, which can be raised by the bird when needed, but also because they are mostly black or white (with a few notable exceptions, such as the gray and pink galah).
text: Cockatoos differ from other parrots not only because of their crest, which can be raised by the bird when needed, but also because they are mostly black or white.
text: Cockatoos differ from other parrots not only because of their crest, which can be raised by the bird when needed.