code: @Override
  	public String writeString(List lblSeqs) {
  		String ret = "";
  		for (int i = 0; i < lblSeqs.size(); ++i){
  			Sentence sent = (Sentence) lblSeqs.get(i);
  			
  			boolean start = true;
  			String word = "";
  			String sentStr = "";
  			for (int j = 0; j < sent.size(); ++j){
  				String curTag = sent.getTagAt(j);
  				if (curTag.equalsIgnoreCase("B-W") || curTag.equalsIgnoreCase("O")){
  					start = true;
  				}
  				else if (start && curTag.equalsIgnoreCase("I-W")){
  					start = false;
  				}
  				
  				if (start){
  					sentStr  += " " + word;
  					word = sent.getWordAt(j);
  				}
  				else {
  					word = word + "_" + sent.getWordAt(j);
  				}			
  			}
  			sentStr += " " + word;
  			ret = ret + "\n" + sentStr.trim();			
  		}		
  		
  		return ret.trim();		
  	}
docs: /* (non-Javadoc)
  @see jvntextpro.data.DataWriter#writeString(java.util.List)