Assertion: opium poppy | /r/CapableOf | reach china
Facets:
value: probably
type: DEGREE
value: through the efforts of arab traders
type: CAUSE
value: about the 7th century a.d.
type: TEMPORAL
Source sentences:
text: The opium poppy probably reached China about the 7th century A.D. through the efforts of Arab traders who advocated its use for medicinal purposes.