Assertion: jerusalem artichoke's tuber | /r/HasProperty | 3 to 4 inches long
Facets:
Source sentences:
text: Tuber can be 3 to 4 inches long and 1 to 3 inches wide.
text: The mature tubers resemble knobby, new Irish potatoes in appearance and are up to 3 to 4 inches long and half as thick.