Assertion: sea otter | /r/CapableOf | play vital role
Facets:
value: in preserving the kelp forests
type: TRANSITIVE-OBJECT
value: very
type: DEGREE
value: in their environment
type: LOCATION
Source sentences:
text: Sea Otters play a very vital role in their environment.
text: In particular, they play a vital role in preserving the kelp forests.