Assertion: large swarm | /r/CapableOf | descend upon region
Facets:
Source sentences:
text: During a plague, when large swarms descend upon a region, however, these locusts can spread out across some 60 countries and cover a fifth of Earth's land surface.
text: During a plague, when large swarms descend upon a region, however, these locusts can spread out across some 60 countries and cover a fifth of Earth's land surface.