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

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Text this: Question answering system for chemistry—a semantic agent extension