Assertion: tibetan antelope | /r/CapableOf | become endangered
Facets:
value: due to massive illegal poaching
type: CAUSE
value: in the 1980s
type: TEMPORAL
value: in 1990s
type: TEMPORAL
Source sentences:
text: In the 1980s and 1990s, Tibetan antelopes had become endangered due to massive illegal poaching.