Assertion: admonition | /r/CapableOf | place by synthetic lifeforms
Facets:
value: some 200,000–300,000 years ago
type: TEMPORAL
Source sentences:
text: The Admonition was a preserved, encoded message on the planet Aia, placed some 200,000–300,000 years ago by the synthetic lifeforms who caused the extinction of organic life on that world.