Sample output of the mystery program in this blog post: http://pynash.org/2013/02/19/English-playground.html

sample.txt

Helva's civilization was not without busy, do-good _______________,
                                                         noun

_______________ possible _______________ to _______________ as well as
   -ing verb                   noun            adjective

_______________ citizens. One such group got all incensed over shelled
   adjective

`` children'' when Helva was just turning fourteen. When they were


forced to, Central _______________ _______________ its _______________,
                         noun      past tense verb           noun

_______________ a tour of the _______________ Schools and set the tour
past tense verb                     noun

off to a big start by showing the members case _______________, complete
                                                     noun

with _______________. Very few _______________ ever looked past the
           noun                      noun

first few _______________. Most of their original objections about ``
                noun

_______________'' were overridden by the relief that these hideous (to
      noun

them) bodies were _______________ concealed.
                       adverb