Assertion: bird's body | /r/HasProperty | covered with feather
Facets:
Source sentences:
text: The body of the birds are streamlined and is covered with feather and its forelimbs are converted into wings.
text: This flightless bird has a long, bare neck, long, sturdy legs and a bulky body covered with feathers.
text: This flightless bird has a long, bare neck, long, sturdy legs and a bulky body covered with feathers.