#fielder  a member of the baseball team that is in the field instead of at bat
  supertype:  #ballplayer__baseball_player  an athlete who plays baseball
  subtype:  #infielder  (baseball or softball) a person who plays a position in the infield
     subtype:  #catcher  (baseball or softball) the person who plays the position of catcher
     subtype:  #first_baseman__firstbaseman__first_sacker__firstsacker  (baseball or softball) the person who plays first base
     subtype:  #second_baseman__second_sacker  (baseball or softball) the person who plays second base
     subtype:  #shortstop  (baseball) the person who plays the shortstop position
     subtype:  #third_baseman__thirdbaseman__third_sacker__thirdsacker  (baseball or softball) the person who plays third base
  subtype:  #outfielder  (baseball or softball) a person who plays in the outfield
     subtype:  #right_fielder__rightfielder  the person who plays right field
     subtype:  #center_fielder  the person who plays center field
     subtype:  #left_fielder  the person who plays left field

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