Data:L10a174/Multivariable Alexander

$\frac{u v w x+u v w y-u v w+u v x y-u v x-2 u v y+u v+u w x y-2 u w x-u w y+u w-2 u x y+2 u x+2 u y-u+v w x y-2 v w x-2 v w y+2 v w-v x y+v x+2 v y-v-w x y+2 w x+w y-w+x y-x-y}{\sqrt{u} \sqrt{v} \sqrt{w} \sqrt{x} \sqrt{y}}$