Assertion: asian carp | /r/HasProperty | introduced in the 1970s
Facets:
value: to eat the overgrowth of algae
type: PURPOSE
value: to municipal sewage ponds
type: LOCATION
value: to southern catfish farms
type: TRANSITIVE-OBJECT
Source sentences:
text: Asian carp—the silver and the bighead—introduced in the 1970s to Southern catfish farms and municipal sewage ponds to eat the overgrowth of algae, escaped.