/// <exception cref="Javax.Servlet.ServletException"/>
 public virtual void OutputPretty(PrintWriter @out, Annotation annotation)
 {
     try
     {
         Document input  = XMLOutputter.AnnotationToDoc(annotation, pipeline);
         Nodes    output = corenlpTransformer.Transform(input);
         for (int i = 0; i < output.Size(); i++)
         {
             @out.Print(output.Get(i).ToXML());
         }
     }
     catch (Exception e)
     {
         throw;
     }
     catch (Exception e)
     {
         throw new ServletException(e);
     }
 }