code: public static GISModel train(File inFile, int iterations, int cut, EndOfSentenceScanner scanner) throws IOException {
      EventStream es;
      DataStream ds;
      Reader reader;
  
      reader = new BufferedReader(new FileReader(inFile));
      ds = new PlainTextByLineDataStream(reader);
      es = new SDEventStream(ds, scanner);
      return GIS.trainModel(es, iterations, cut);
    }
docs: Use this training method if you wish to supply an end of
  sentence scanner which provides a different set of ending chars
  other than the default ones.  They are "\\.|!|\\?|\\\"|\\)".