Assertion: graphite | /r/HasProperty | discovered in cumbria
Facets:
value: during the 1500s
type: TEMPORAL
value: in north england
type: LOCATION
Source sentences:
text: Graphite was first discovered in Cumbria in North England at the beginning of the sixteenth century.
text: Another reason we call it lead is that when graphite was discovered in Cumbria, England during the 1500s, people thought that graphite was a form of lead.