Assertion: tasmanian devil's population | /r/CapableOf | decline by at least 60%
Facets:
value: due to a cancerous tumor
type: CAUSE
value: since 2001
type: TEMPORAL
Source sentences:
text: The population of this animal, since 2001, has declined by at least 60% due to a cancerous tumor called facial neoplastic disease (DFTD).
text: Since the emergence of the disease in 1996, the population has declined by more than 60%.