From: sarah.student@gmail.com   
      
   hello there   
   I am a beginner in AI. I don't know what does knowledge extraction   
   tool means. In addition I don't know the meaning of Individual in AI.   
   I want to know the meaning of Rule Discovery,too. Can any one explain   
   these words to me in simple sentences?   
      
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    * Origin: you cannot sedate... all the things you hate (1:229/2)