Classifier Instance:

Anchor text: Major League Baseball Players Association
Target Entity: Major_League_Baseball_Players_Association
Preceding Context: From the time of the formation of the Major Leagues to the 1960s, when it came to the control of the game of baseball the team owners held the whip hand. After the so-called "Brotherhood Strike" of 1890 and the failure of the Brotherhood of Professional Base Ball Players and its Players National League, the owners control of the game seemed absolute. It lasted over 70 years despite a number of short-lived players organizations. In 1966, however, the players enlisted the help of labor union activist Marvin Miller to form the
Succeeding Context: (MLBPA). The same year, Sandy Koufax and Don Drysdale – both Cy Young Award winners for the Los Angeles Dodgers – refused to re-sign their contracts, and the era of the reserve clause, which held players to one team, was coming toward an end.
Paragraph Title: Players assert themselves
Source Page: History of baseball in the United States

Ground Truth Types:

Predicted Types:

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