Assertion: right whale | /r/CapableOf | become extinct
Facets:
value: with a population
type: OTHER
value: nearly
type: DEGREE
value: in the twentieth century
type: TEMPORAL
Source sentences:
text: The North Atlantic right whales nearly became extinct in the twentieth century, with a population low of 450, and the North Pacific grey whale population is ranked Critically Endangered by the IUCN.