Assertion: jerusalem artichoke | /r/HasProperty | cultivated by the native americans
Facets:
value: before the arrival of the europeans
type: TEMPORAL
Source sentences:
text: Jerusalem artichokes were first cultivated by the Native Americans long before the arrival of the Europeans; this extensive cultivation obscures the exact native range of the species.
text: They were first cultivated by the native Americans.
text: Jerusalem artichokes were first cultivated by the Native Americans long before the arrival of the Europeans; this extensive cultivation obscures the exact native range of the species.
text: Jerusalem artichokes were cultivated by the Native Americans, in fact Samuel de Champlain found domestically grown plants at Cape Cod in 1605.