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  _____    _    _    ______    __   __    _____   
 /  ___|| | || | || |      \\  \ \\/ //  |__  //  
| // __   | || | || |  --  //   \ ` //     / //   
| \\_\ || | \\_/ || |  --  \\    | ||     / //__  
 \____//   \____//  |______//    |_||    /_____|| 
  `---`     `---`   `------`     `-`'    `-----`

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Text this: Topic classification and association rule mining for Chinese Mathematics questions