Assertion: lake trout | /r/HasProperty | valuable fish
Facets:
value: in lake superior
type: LOCATION
value: commercially
type: MANNER
Source sentences:
text: Lake Trout are commercially valuable fish that are prized for their meat.
text: Lake trout were once a valued commercial fish in Lake Superior but were almost eliminated there by the sea lamprey, an exotic fish that attaches itself to other fish and eventually kills them.