Assertion: english walnut | /r/HasProperty | j. regia
Facets:
Source sentences:
text: The English walnut (J. regia) originated in Iran (Persia), and the black walnut (J. nigra) is native to eastern North America.
text: Walnut" refers to several varieties, most commonly the English walnut (J. regia) and the black walnut (J. nigra).