Assertion: black walnut | /r/HasProperty | difficult to crack
Facets:
value: notoriously
type: DEGREE
Source sentences:
text: The black walnut is more difficult to crack than the English walnut; its meat is described as bold and earthy, while the English walnut is described as having a sweet and mild taste.
text: Black walnuts are notoriously difficult to crack, but with either the right tools, or a simple trick or two, the job can be performed without too much trouble.