Assertion: black footed ferret | /r/AtLocation | captivity
Facets:
value: strictly
type: MANNER
value: for a few years
type: TEMPORAL
Source sentences:
text: For a few years black-footed ferrets lived strictly in captivity.
text: Native to North America, the black-footed ferret is a rare example of an animal that went extinct in the wild, but survived in captivity and was ultimately released again.
text: For a few years black-footed ferrets lived strictly in captivity.