Initialize the NLP component needed for the work method if that needs to happen after shell() is called.
Initialize the NLP component needed for the work method if that needs to happen after shell() is called. Otherwise, such initialization can happen in the subclass constructor.
If your subclass's menu is different, override this method.
If your subclass's menu is different, override this method.
Prints one document
The actual work, including printing out the output
The actual work, including printing out the output