Assertion: smallpox | /r/CapableOf | exist for thousands of years
Facets:
value: in africa
type: LOCATION
value: in asia
type: LOCATION
value: in europe
type: LOCATION
Source sentences:
text: Smallpox existed for thousands of years in Europe, Asia, and Africa.
text: Smallpox existed for thousands of years, killed millions, and was fatal in up to 30% of cases.