jsAB = (f+n)/(a+b+d+e+f+n);
jsBC = (d+n)/(b+c+d+e+f+n);
jsAC = (e+n)/(a+c+d+e+f+n);

ineq = 1 + jsAC - jsAB - jsBC;
Together[ineq] >> jaccardMess;
