#pen  a writing implement with a point from which ink flows
  supertype:  #writing_implement__writingimplement  an implement that is used to write
  subtype:  #ballpoint_pen  #felt-tip_pen  #fountain_pen  #quill_pen
  part:  #point.end  sharp end; "he stuck the point of the knife into a tree"; "he broke the point of his pencil"

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