Assertion: minstrel show's form | /r/CapableOf | evolve into its mature form
Facets:
value: gradually
type: MANNER
value: from the concert saloon
type: LOCATION
value: throughout 1880s
type: TEMPORAL
value: throughout the 1870s
type: TEMPORAL
value: from variety hall
type: LOCATION
Source sentences:
text: The form gradually evolved from the concert saloon and variety hall into its mature form throughout the 1870s and 1880s.