Assertion: heath hen | /r/HasProperty | gone
Facets:
value: from the mainland
type: LOCATION
Source sentences:
text: Prairie chickens were indiscriminately introduced to the Eastern Seaboard after the heath hen was gone from the mainland, but failed to thrive.
text: Prairie chickens were indiscriminately introduced to the Eastern Seaboard after the Heath Hen was gone from the mainland, but failed to thrive.