#ace.playing_card  one of four playing cards in a deck having a single pip on its face
  supertype:  #playing_card__playingcard  one of a pack of cards used in playing card games
  subtype:  #ace_of_clubs  the ace in the club suit
  subtype:  #ace_of_diamonds  the ace in the diamond suit
  subtype:  #ace_of_hearts  the ace in the heart suit
  subtype:  #ace_of_spades  the ace of spades; sometimes taken as a portent of death

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