code: @Override
  	public List<Sentence> readString(String dataStr) {
  		// TODO Auto-generated method stub
  		dataStr = dataStr + "$";
  		String  [] lines = dataStr.split("\\n");
  		
  		List<Sentence> data = new ArrayList<Sentence>();
  		Sentence sent = new Sentence();
  		for (String line : lines){
  			System.out.println(".");
  			if (line.isEmpty() || line.equalsIgnoreCase("$")){								
  				data.add(sent);
  				sent = new Sentence();				
  			}
  			else{
  				StringTokenizer tk = new StringTokenizer(line, "\t");
  				if (tk.countTokens() != 2) continue;
  				else {
  					String token = tk.nextToken();
  					String tag = tk.nextToken();
  					TWord tw = new TWord(token, tag);
  					sent.addTWord(tw);
  				}
  			}
  		}
  		return data;
  	}
docs: /* (non-Javadoc)
  @see jvntextpro.data.DataReader#readString(java.lang.String)