Snow skier skiing down a course of snow.
the man is riding the the ski lift to sled down the hill
A man can't go in two different directions at the same time, like skiing down and go on ski lift
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 p1 x1 x2 x3 x4.(n_hill(x4) & n_lift(x2) & of(x2,x3) & n_ski(x3) & n_man(x1) & Topic(e1,p1) & exists e2 s1.(a_down(s1) & Manner(e2,s1) & Theme(e2,x4) & Actor(e2,x1) & v_sled(e2)) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1))