Assertion: slum's population | /r/CapableOf | go into decline
Facets:
value: for several years
type: TEMPORAL
Source sentences:
text: The population of Merthyr reached 51,949 in 1861, but went into decline for several years thereafter.
text: The population of Merthyr reached 51,949 in 1861, but went into decline for several years thereafter.