Assertion: single swarm | /r/HasProperty | scourge
Facets:
value: for thousands of years
type: TEMPORAL
value: through the eyes of humans
type: MANNER
Source sentences:
text: A single swarm of locusts, which are voracious grasshopper species that can spread over 460-square miles of land, have been a scourge — at least through the eyes of humans — for thousands of years.