Assertion: elephant's herd | /r/CapableOf | leave the drought area
Facets:
value: in search of water
type: PURPOSE
value: during a lengthy drought
type: TEMPORAL
Source sentences:
text: Scientists studying three herds in Tanzania found that, during a lengthy drought, the two herds led by older matriarchs left the drought area in search of water, and more of their group survived as a result.