Assertion: mockingbird's bill | /r/HasProperty | flattened to greater or lesser extent
Facets:
Source sentences:
text: These birds are adapted to an aquatic existence with webbed feet, bills which are flattened to a greater or lesser extent, and feathers that are excellent at shedding water due to special oils.
text: These birds are adapted to an aquatic existence with webbed feet, bills which are flattened to a greater or lesser extent, and feathers that are excellent at shedding water due to special oils.