Assertion: sunflower | /r/CapableOf | become popular
Facets:
value: very
type: DEGREE
value: in russia
type: LOCATION
Source sentences:
text: Sunflowers became especially popular in Russia.
text: Sunflower became very popular as a cultivated plant in the 18th century.
text: Sunflower became very popular as a cultivated plant in the 18th century.