code: public Label newLabel(String labelStr, int options) {
      if (options == TAG_LABEL) {
        return new TaggedWord(null, labelStr);
      }
      return new TaggedWord(labelStr);
    }
docs: Make a new label with this <code>String</code> as a value component.
  Any other fields of the label would normally be null.
  
  @param labelStr The String that will be used for value
  @param options  what to make (use labelStr as word or tag)
  @return The new TaggedWord (tag or word will be <code>null</code>)