Assertion: asian carp | /r/HasProperty | brought to southern u.s.
Facets:
value: to clean algae
type: PURPOSE
value: to clean vegetation
type: PURPOSE
Source sentences:
text: For example, Asian carp—a common term for a group of related species including bighead, silver, grass, and black carp—were brought to the southern U.S. to clean algae and vegetation from aquaculture ponds and sewage lagoons in the 1960s and '70s.