Assertion: oyster | /r/HasProperty | important food source
Facets:
value: in all coastal areas
type: LOCATION
Source sentences:
text: Oysters were an important food source in all coastal areas where they could be found, and oyster fisheries were an important industry where they were plentiful.
text: Oysters were an important food source in all coastal areas where they could be found, and oyster fisheries were an important industry where they were plentiful.