Assertion: tango | /r/HasProperty | danced by working-class men
Facets:
value: in san telmo
type: LOCATION
value: in la boca
type: LOCATION
value: in the port area
type: LOCATION
Source sentences:
text: Tango originated with a guitar and violin toward the end of the 19th century and was first danced by working-class men in La Boca, San Telmo, and the port area.