invertedIndex_exp.txt

and file11.txt 
apparent file11.txt 
ascribed file11.txt file21.txt 
attributed file11.txt file21.txt 
been file11.txt 
changes file11.txt file21.txt 
circle mixed.txt planets.txt 
color file11.txt file21.txt 
cycles info31.txt 
design file11.txt file21.txt 
early file11.txt 
eu nasa.txt 
experiments nasa.txt 
features file11.txt file21.txt 
has file11.txt 
high mixed.txt 
human file11.txt 
intelligent file11.txt file21.txt 
interest file11.txt 
japan nasa.txt 
jupiter nasa.txt 
jupitor mixed.txt 
landing news1.txt 
light info31.txt mixed.txt 
linear file11.txt file21.txt 
long file11.txt 
man news1.txt 
mars file11.txt file21.txt mixed.txt nasa.txt news1.txt planets.txt 
moon info31.txt mixed.txt nasa.txt news1.txt planets.txt 
moons mixed.txt 
nasa nasa.txt 
observations file11.txt 
of file11.txt 
on file11.txt 
planet nasa.txt news1.txt 
planets nasa.txt 
pluto mixed.txt planets.txt 
promise news1.txt 
rays info31.txt mixed.txt 
red news1.txt 
revealed file11.txt file21.txt 
robot nasa.txt 
robotics news1.txt 
seasonal file11.txt file21.txt planets.txt 
small mixed.txt 
subject file11.txt 
sun info31.txt mixed.txt news1.txt planets.txt 
surface file11.txt file21.txt 
telescopic file11.txt 
that file11.txt 
the file11.txt 
to file11.txt file21.txt 
vegetation file11.txt file21.txt 
volcano info31.txt mixed.txt nasa.txt news1.txt 
waves mixed.txt 
weather info31.txt nasa.txt news1.txt 
were file11.txt file21.txt 
winds mixed.txt planets.txt