#basketball_court  the court on which basketball is played
  supertype:  court  a specially marked area within which a game is played; "players had to reserve a court in advance"
  subtype:  home_court  (basketball) the court where the host team plays its home games
  part:  free_throw_lane  a lane on a basketball court extending from the end line to 15 feet in front of the backboard; players may not enter this lane during a free throw

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