Assertion: jerusalem artichoke's tuber | /r/HasProperty | underground
Facets:
Source sentences:
text: Instead, a Jerusalem artichoke is a species of sunflower that grows wildly in North America and is cultivated for its underground tuber, which is a root vegetable.
text: Instead, a Jerusalem artichoke is a species of sunflower that grows wildly in North America and is cultivated for its underground tuber, which is a root vegetable.