Assertion: pygmy hippo | /r/AtLocation | zoos
Facets:
value: in the early 20th century
type: TEMPORAL
Source sentences:
text: Introduced to zoos in the early 20th century, they breed well in captivity and the vast majority of research is derived from zoo specimens.
text: Introduced to zoos in the early 20th century, they breed well in captivity and the vast majority of research is derived from zoo specimens.