Assertion: parsnip's root | /r/HasProperty | sweet
Facets:
Source sentences:
text: Parsnips have been cultivated for their sweet roots since ancient times.
text: Parsnips have been cultivated for their sweet roots since ancient times.
text: Parsnips have been cultivated for their sweet roots since ancient times.
text: Parsnips have been cultivated for their sweet roots since ancient times.