Assertion: otter | /r/CapableOf | help keep water
Facets:
value: by eating already dead animals
type: MANNER
value: always
type: TEMPORAL
value: by eating already dead creatures
type: MANNER
Source sentences:
text: It was thought that otters helped keep water purified by eating already dead creatures that might contaminate the water source if they were allowed to rot.
text: Do you know that Zoroastrians thought that otters are the dogs of the sea and they always helped keeping the water purified.
text: The ancient religion thought that otters helped keep water purified by eating already dead animals that might contaminate the water source.