Assertion: blue mussel | /r/HasProperty | cultivated in europe
Facets:
value: since the 13th century
type: TEMPORAL
value: for almost 800 years
type: TEMPORAL
Source sentences:
text: Blue mussels have been cultivated for almost 800 years in Europe, and been used as a food source for more then 20,000 years.
text: It has been cultivated in Europe since the 13th century.