Assertion: indigo dye | /r/HasProperty | unique
Facets:
value: to soil
type: TRANSITIVE-OBJECT
value: to the region
type: LOCATION
value: as with coffee beans
type: OTHER
value: to the temperature
type: OTHER
Source sentences:
text: As with coffee beans and cacao, the blue dye is unique to the region it has come from and the temperature and soil