American Association in 1884

Target entity: American Association in 1884
Context triple: [Brooklyn Bridegrooms, joinedLeague, American Association in 1884]

• A. Eastern Colored League
  The Eastern Colored League was a prominent early 20th-century professional Negro league baseball organization that rivaled the Negro National League in organizing top-level Black baseball teams in the eastern United States.
• B. 1905 World Series
  The 1905 World Series was Major League Baseball’s second modern championship, in which the New York Giants defeated the Philadelphia Athletics in a best-of-seven series dominated by pitching, especially that of Christy Mathewson.
• C. Negro American League
  The Negro American League was a professional African American baseball league that operated primarily in the Midwest and South from 1937 to the early 1960s, serving as one of the major Negro leagues during the era of racial segregation in U.S. baseball.
• D. 1903 World Series
  The 1903 World Series was the first modern Major League Baseball championship series, contested between the Boston Americans (later known as the Red Sox) and the Pittsburgh Pirates.
• E. National Association of Professional Baseball Leagues
  The National Association of Professional Baseball Leagues was the longtime governing body for Minor League Baseball in the United States and Canada, overseeing its leagues and teams from 1901 until its reorganization in 2021.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: American Association in 1884
Target entity description: The American Association in 1884 was a major 19th-century professional baseball league that operated as a rival to the National League and featured teams such as the Brooklyn Bridegrooms.

• A. Eastern Colored League
  The Eastern Colored League was a prominent early 20th-century professional Negro league baseball organization that rivaled the Negro National League in organizing top-level Black baseball teams in the eastern United States.
• B. 1905 World Series
  The 1905 World Series was Major League Baseball’s second modern championship, in which the New York Giants defeated the Philadelphia Athletics in a best-of-seven series dominated by pitching, especially that of Christy Mathewson.
• C. Negro American League
  The Negro American League was a professional African American baseball league that operated primarily in the Midwest and South from 1937 to the early 1960s, serving as one of the major Negro leagues during the era of racial segregation in U.S. baseball.
• D. 1903 World Series
  The 1903 World Series was the first modern Major League Baseball championship series, contested between the Boston Americans (later known as the Red Sox) and the Pittsburgh Pirates.
• E. National Association of Professional Baseball Leagues
  The National Association of Professional Baseball Leagues was the longtime governing body for Minor League Baseball in the United States and Canada, overseeing its leagues and teams from 1901 until its reorganization in 2021.
• F. None of above. chosen