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CAPTCHA:

 _____      _____              __   __   _    _   
|  __ \\   |  ___||     ___    \ \\/ // | || | || 
| |  \ ||  | ||__      /   ||   \ ` //  | || | || 
| |__/ ||  | ||__     | [] ||    | ||   | \\_/ || 
|_____//   |_____||    \__ ||    |_||    \____//  
 -----`    `-----`      -|_||    `-`'     `---`   
                         `-`

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Text this: Improving mandarin predictive text input by augmenting pinyin initials with speech and tonal information