Assertion: opium's use | /r/HasProperty | documented
Facets:
value: extensively
type: DEGREE
value: as far back
type: TEMPORAL
Source sentences:
text: Indeed, the use of marijuana has been documented as far back as 12,000 years ago, making it one of the earliest cultivated crops.
text: Use in coffee shops has been reported.
text: His use of opium in his home country of England, as well as Sicily and Malta, is extensively documented.