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까마귀가 날아가고 배가 떨어졌다. 그래서 사람들은 오비이락이라고 생각했다.kkamagwiga nal-agago baega tteoreojyeotda. geuraeseo saramdeul-eun obiirag-i라고 saeng-gaghaessda.A crow flew by and a pear fell. So people thought it was a coincidence.