With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Jackie Robinson's uniform number taken out of use, and he was the first pro athlete for whom this happened.
text_B: Jack Roosevelt Robinson -LRB- January 31 , 1919 -- October 24 , 1972 -RRB- was an American professional baseball second baseman who became the first African American to play in Major League Baseball -LRB- MLB -RRB- in the modern era .. baseball. baseball. second baseman. second baseman. African American. African American. Major League Baseball. Major League Baseball. Robinson broke the baseball color line when the Brooklyn Dodgers started him at first base on April 15 , 1947 .. Brooklyn Dodgers. Brooklyn Dodgers. baseball. baseball. baseball color line. baseball color line. The Dodgers , by signing Robinson , heralded the end of racial segregation in professional baseball that had relegated black players to the Negro leagues since the 1880s .. baseball. baseball. racial segregation. racial segregation. black players. List of first black Major League Baseball players by team. Negro leagues. Negro league baseball. Robinson was inducted into the Baseball Hall of Fame in 1962 .. Baseball Hall of Fame balloting, 1962. Baseball Hall of Fame. National Baseball Hall of Fame and Museum. Robinson had an exceptional 10-year baseball career .. baseball. baseball. He was the recipient of the inaugural MLB Rookie of the Year Award in 1947 , was an All-Star for six consecutive seasons from 1949 through 1954 , and won the National League Most Valuable Player Award in 1949 -- the first black player so honored .. All-Star. Major League Baseball All-Star Game. 1949 Major League Baseball All-Star Game. 1954 Major League Baseball All-Star Game. MLB Rookie of the Year. Major League Baseball Rookie of the Year Award. Rookie of the Year Award. Major League Baseball Rookie of the Year Award. National League. National League. Most Valuable Player Award. Major League Baseball Most Valuable Player Award. Robinson played in six World Series and contributed to the Dodgers ' 1955 World Series championship .. World Series. World Series. 1955 World Series. 1955 World Series. In 1997 , MLB `` universally '' retired his uniform number , 42 , across all major league teams ; he was the first pro athlete in any sport to be so honored .. retired. List of Major League Baseball retired numbers. MLB also adopted a new annual tradition , `` Jackie Robinson Day '' , for the first time on April 15 , 2004 , on which every player on every team wears No. 42 .. Jackie Robinson Day. Jackie Robinson Day. Robinson 's character , his use of nonviolence , and his unquestionable talent challenged the traditional basis of segregation which then marked many other aspects of American life .. nonviolence. nonviolence. He influenced the culture of and contributed significantly to the Civil Rights Movement .. Civil Rights Movement. Civil Rights Movement. Robinson also was the first black television analyst in MLB , and the first black vice president of a major American corporation , Chock full o'Nuts .. Chock full o'Nuts. Chock full o'Nuts. In the 1960s , he helped establish the Freedom National Bank , an African-American-owned financial institution based in Harlem , New York .. Harlem. Harlem. After his death in 1972 , in recognition of his achievements on and off the field , Robinson was posthumously awarded the Congressional Gold Medal and Presidential Medal of Freedom .. Congressional Gold Medal. Congressional Gold Medal. Presidential Medal of Freedom. Presidential Medal of Freedom
related.