Assertion: baseball's team | /r/CapableOf | split into east and west divisions
Facets:
value: with a playoff series
type: OTHER
Source sentences:
text: Given the size of the expanded leagues, 12 teams apiece, each split into East and West divisions, with a playoff series to determine the pennant winner and World Series contender-- the first post-season baseball instituted since the advent of the World Series itself.