#lineman  the position of a player on a football team who is stationed on the line of scrimmage
  supertype:  #position.role  (in team sports) the role assigned to an individual player; "what position does he play?"
  subtype:  #center.lineman  #guard.lineman  #tackle  #end.lineman
  member of:  #linemen  the football players who line up on the line of scrimmage
     member of:  #football_team__eleven  a team that plays football
        member of:  #football_league  a league of football teams

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