#thanks.acknowledgment  an acknowledgment of appreciation
  supertype:  acknowledgment__acknowledgement  a statement acknowledging something or someone
  subtype:  appreciation.thanks  an expression of gratitude; "he expressed his appreciation in a short note"
  subtype:  thank_you  a conversational expression of gratitude
  subtype:  curtain_call__curtaincall__bow  an appearance by actors or performers at the end of the concert or play in order to acknowledge the applause of the audience

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