Assertion: plankton | /r/CapableOf | play vital role
Facets:
value: in the ocean
type: LOCATION
Source sentences:
text: Prof Paul Bown of UCL said plankton played a vital role in the ocean, supporting the lives of much better known creatures.
text: Prof Paul Bown of UCL said plankton played a vital role in the ocean, supporting the lives of much better known creatures.