Assertion: gunpowder | /r/HasProperty | developed by taoist
Facets:
value: originally
type: TEMPORAL
value: for medicinal purposes
type: PURPOSE
Source sentences:
text: Originally developed by the Taoists for medicinal purposes, gunpowder was first used for warfare about 904 AD.
text: Originally developed by the Taoists for medicinal purposes, gunpowder was first used for warfare about 1000 AD.