Assertion: ferret's predator | /r/HasProperty | natural
Facets:
Source sentences:
text: Black-footed ferrets are important members of the ecosystem, both as predators, mainly of prairie dogs, thus controlling their populations, and as prey for their natural predators.
text: Predation Domestic ferrets don’t have any natural predators since they are domesticated.
text: Domestic ferrets don’t have any natural predators since they are domesticated.