Assertion: human's period | /r/HasAspect | two epochs
Facets:
value: part of the cenozoic era
type: TEMPORAL
value: usually
type: TEMPORAL
Source sentences:
text: Part of the Cenozoic Era, the period is usually divided into two epochs — the Pleistocene Epoch, which lasted from approximately 2 million years ago to about 12,000 years ago, and the Holocene Epoch, which began about 12,000 years ago.