function F = QF(x)
%

F(1) = -0.9 + (x(1));;
F(2) = -0.8 + (1-x(1)) + x(2) - x(4)*x(2);;
F(3) = -0.7 + x(3) + (1-x(1)) + x(2) - x(5)*x(2) - x(6)*(1-x(1)) - x(6)*x(2) + x(5)*x(6)*x(2);;
F(4) = -0.6 + x(1) + x(2) + x(3) - x(7)*x(3) - x(8)*x(2) - x(8)*x(3) + x(7)*x(8)*x(3);;
