Assertion: electric streetcar | /r/CapableOf | begin operation
Facets:
value: in 1890
type: TEMPORAL
value: in 1892
type: TEMPORAL
Source sentences:
text: The first electric streetcars in San Francisco began operation in 1892 under the auspices of the San Francisco and San Mateo Electric Railway.
text: Electric streetcars started operation in 1890 but were discontinued on August 26, 1946.