function F = KB4F(x)
%

F(1) = -0.99876+(1-x(5))+(1-x(4))+(1-x(1))+x(2)+x(3)-(1-x(5))*(1-x(4))-(1-x(5))*(1-x(1))-(1-x(5))*x(2)-(1-x(5))*x(3)-(1-x(4))*(1-x(1))-(1-x(4))*x(2)-(1-x(4))*x(3)-(1-x(1))*x(2)-(1-x(1))*x(3)-x(2)*x(3)+(1-x(5))*(1-x(4))*(1-x(1))+(1-x(5))*(1-x(4))*x(2)+(1-x(5))*(1-x(4))*x(3)+(1-x(5))*(1-x(1))*x(2)+(1-x(5))*(1-x(1))*x(3)+(1-x(5))*x(2)*x(3)+(1-x(4))*(1-x(1))*x(2)+(1-x(4))*(1-x(1))*x(3)+(1-x(4))*x(2)*x(3)+(1-x(1))*x(2)*x(3)-(1-x(5))*(1-x(4))*(1-x(1))*x(2)-(1-x(5))*(1-x(4))*(1-x(1))*x(3)-(1-x(5))*(1-x(4))*x(2)*x(3)-(1-x(5))*(1-x(1))*x(2)*x(3)-(1-x(4))*(1-x(1))*x(2)*x(3)+(1-x(5))*(1-x(4))*(1-x(1))*x(2)*x(3);
F(2) = -0.85314+(1-x(4))+x(1)-(1-x(4))*x(1);
F(3) = -0.99551+(1-x(5))+(1-x(2))-(1-x(5))*(1-x(2));
F(4) = -0.98191+(1-x(5));
F(5) = -0.99852+(1-x(5))+x(2)+x(3)-(1-x(5))*x(2)-(1-x(5))*x(3)-x(2)*x(3)+(1-x(5))*x(2)*x(3);
F(6) = -0.98369+x(1)+x(3)-x(1)*x(3);
F(7) = -0.91066+(1-x(4))+(1-x(1))+x(3)+x(5)-(1-x(4))*(1-x(1))-(1-x(4))*x(3)-(1-x(4))*x(5)-(1-x(1))*x(3)-(1-x(1))*x(5)-x(3)*x(5)+(1-x(4))*(1-x(1))*x(3)+(1-x(4))*(1-x(1))*x(5)+(1-x(4))*x(3)*x(5)+(1-x(1))*x(3)*x(5)-(1-x(4))*(1-x(1))*x(3)*x(5);
