#omen__portent__presage__prognostic  a sign of something about to happen; "he looked for an omen before going into battle"
  supertype:  #augury__sign  an event that is experienced as indicating important things to come; "he hoped it was an augury"; "it was a sign from God"
  subtype:  #auspice  a favorable omen
  subtype:  #foreboding  an unfavorable omen
  subtype:  #death_knell__deathknell  an omen of death or destruction

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