Assertion: swarm | /r/HasProperty | big
Facets:
value: as major cities
type: OTHER
Source sentences:
text: Large amounts of insecticide can help, although that raises new issues for human and ecological health, and may be inadequate anyway once a swarm is big enough.
text: A swarm is a big group of animals.
text: If a swarm is big enough, it can overwhelm defenders by attacking with more drones than they can handle.
text: Today the swarms are as big as major cities and it is getting worse by the day," according to Bloomberg News.