code: @Override
  	public String getValue(Match m, int col)
  	{
  		switch(col)
  		{
  			case 0:
  			{
  				return getGeneSymbol(m, "controller ER");
  			}
  			case 1:
  			{
  				return concat(getModifications(m, "controller simple PE", "controller PE"), " ");
  			}
  			case 2:
  			{
  				return getGeneSymbol(m, "changed ER");
  			}
  			case 3:
  			{
  				return concat(getDeltaModifications(m,
  					"input simple PE", "input PE", "output simple PE", "output PE")[0], " ");
  			}
  			case 4:
  			{
  				return concat(getDeltaModifications(m,
  					"input simple PE", "input PE", "output simple PE", "output PE")[1], " ");
  			}
  			default: throw new RuntimeException("Invalid col number: " + col);
  		}
  	}
docs: Creates values for the result file columns.
  @param m current match
  @param col current column
  @return value of the given match at the given column