docs: public LinkedList<EntityGroup> resolve(String str) throws Exception{
  		LinkedList<EntityGroup> arGroup = new LinkedList<EntityGroup>();
  		
  		String[][][] taggedstr = pos.tag2DoubleArray(str);
  		init(taggedstr, str);
  		LinkedList<Entity> entityList = ep.parse(taggedstr);
  		return doIt(entityList, arGroup);
  	}