Point P(1, 1, 1) is located on the intersection curve of surfacesF(x,y,z)=x2xz+2yz3y2+1=0 and G(x,y,z)=x3+y2z2xz2=0. The tangent drawn to the point P of this cutting curve intersects the xy-plane at the point Q (where y = 0). Calculate the coordinates of point G