Assertion: keel | /r/CapableOf | provide anchor
Facets:
Source sentences:
text: The keel provides an anchor to which a bird's wing muscles attach, thereby providing adequate leverage for flight.
text: The keel provides an anchor to which a bird's wing muscles attach, thereby providing adequate leverage for flight.
text: The keel provides an anchor to which a bird's wing muscles attach, thereby providing adequate leverage for flight.
text: The keel provides an anchor to which a bird's wing muscles attach, thereby providing adequate leverage for flight.