Snow skier skiing down a course of snow.
the skier is skiing on fake snow at the north pole
Just because the skier is skiing on snow doesn't mean it is fake or that it is at the north pole.
exists x1 x2 x3 x4 x5.(a_topic(x1) & down(x1,x4) & of(x4,x5) & n_snow(x5) & n_course(x4) & n_skiing(x1) & of(x1,x3) & n_skier(x3) & (x1 = x2) & ne_nam_snow(x2))
exists e1 s1 x1 x2 x3 x4.(n_pole(x3) & of(x3,x4) & n_north(x4) & n_skier(x1) & at(e1,x3) & on(e1,x2) & n_snow(x2) & a_fake(s1) & Theme(s1,x2) & Actor(e1,x1) & v_ski(e1))