Assertion: red sea urchin | /r/AtLocation | water
Facets:
value: between the mainland
type: LOCATION
value: off british columbia
type: LOCATION
value: between vancouver island
type: LOCATION
Source sentences:
text: and we believe oldest red sea urchins up to 19 centimeters in size have been found in waters off British Columbia, between Vancouver Island and the mainland," Ebert said.