Assertion: caribou | /r/CapableOf | migrate for first time
Facets:
value: in late 2002
type: TEMPORAL
value: in 50 years
type: TEMPORAL
value: back into the yukon
type: TRANSITIVE-OBJECT
Source sentences:
text: The efforts paid off: in late 2002, some 30,000 caribou migrated back into the Yukon for the first time in 50 years.