Assertion: lemur's population | /r/CapableOf | undergo sharp decline
Facets:
value: during the last 30 years
type: TEMPORAL
Source sentences:
text: As a result, the population in the north-west undergoes a sharp decline.
text: The population of this species has undergone a sharp decline during the last 30 years, as a result of habitat destruction for timber, firewood and charcoal.