Assertion: amateur boxing | /r/HasProperty | marked by four chairs
Facets:
value: at the local bordellos
type: LOCATION
Source sentences:
text: Amateur boxing in Mexico first began around 1918, in Tampico and other port cities along the Gulf of Mexico, where seafaring mariners would set up make-shift boxing rings, marked by four chairs, at the local bordellos where they spent most of their time ashore.