In this case a query is essentially 
a description of a user's theme of 
interest. Query words should obligatory 
appear only in a first section of the 
output material, while in subsequent 
sections the theme can be developed 
via involving additionally suggested 
words. Setting a level on the Adjust 
Settings scale will define the degree 
of coherence of the output material, 
degree of semantic proximity between 
each paragraph and the precedent ones.                                                                        : 
