#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?"
  member of:  #linemen
  subtype:  #center.lineman  the position of the player on the line of scrimmage who puts the ball in play; "it is a center's responsibility to get the football to the quarterback"
  subtype:  #guard.lineman  a position on the line of scrimmage; "guards must be good blockers"
  subtype:  #tackle  a position on the line of scrimmage; "it takes a big man to play tackle"
  subtype:  #end.lineman  a position on the line of scrimmage; "no one wanted to play end"

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