Assertion: ferret | /r/Causes | great harm
Facets:
value: to the ecosystem
type: TRANSITIVE-OBJECT
value: to the environment
type: TRANSITIVE-OBJECT
Source sentences:
text: This is due to the fact that ferrets form large enough colonies and cause great harm to the environment, and they are carriers of tuberculosis of large cattle.
text: Hunting their eggs and themselves, ferrets have caused great harm to the ecosystem.