Assertion: parsnip's history | /r/HasProperty | long
Facets:
Source sentences:
text: Parsnips were used as a sweetener before the sugar beet industry was established during the 19th century, they have a long history and have grown in Europe since Roman times.
text: The parsnip, a root vegetable, had a long history as a nutritious starch tuber before the introduction of the potato from the New World.