Assertion: baseball's player | /r/CapableOf | travel in 1950
Facets:
value: north
type: LOCATION
value: to ply their trade
type: PURPOSE
Source sentences:
text: Following Robinson's breaching of the colour barrier, in the 1950s many other players from the declining Negro leagues travelled north to ply their trade in Canada, including Hall of Famers Leon Day, Satchel Paige and Willie Wells, who like many other African-American players competed in the Mandak League.