Assertion: salsify | /r/ObjectUse | used as food
Facets:
value: for centuries
type: TEMPORAL
Source sentences:
text: Salsify is a root vegetable which is inherent to Mediterranean region of Europe, where it was cultivated and used as food for the centuries.
text: Salsify is a root vegetable native to the Mediterranean region of Europe, where it has been cultivated and used in food for centuries.