#luck__fortune  an unknown and unpredictable phenomenon that leads to a favorable outcome; "it was my good luck to be there"; "they say luck is a lady"; "it was as if fortune guided his hand"
  supertype:  #phenomenon  any state or process known through the senses rather than by intuition or reasoning
  subtype:  #good_luck__fluke__good_fortune  a stroke of luck
  subtype:  #serendipity  pure luck in discovering things you were not looking for

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