Each example consists of 2 data files and a diffrentially expressed genes files (DEG). 
The input format is first data file, second data file and the booleanized gene expression file (where genes are upregulated in the first data)
Example: for ESC data, the first input file is 2i.txt, second inputfile is lif.txt and the DEG file is DE_BOOLEAN_2i_lif.txt.