Assertion: mastodon's population | /r/CapableOf | experience a 90 percent decline
Facets:
value: in the past 100 years
type: TEMPORAL
value: as of 2013
type: TEMPORAL
Source sentences:
text: As of 2013, the Asian elephant population had experienced a 90 percent decline in the past 100 years and some experts suggest 95 percent of their original habitat has been lost over the same period.