Assertion: toucan's bill | /r/HasProperty | hollow
Facets:
value: mostly
type: DEGREE
Source sentences:
text: The thin, feather-like grey tongue extends to the end of the bill which is otherwise hollow.
text: Though large, the bill of the toucan is mostly hollow and light.
text: Their bills are hollow but extremely tough allowing toucans to defend themselves from predators.
text: Toucan bills are mostly hollow!