A snow skier is going down a slalom course.
They are practicing for a competitive event.
Just because they are doing a slalom course doesn't mean they are practicing for a competitive event.
exists e1 s1 x1 x2 x3 x4.(a_down(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x1) & v_go(e1) & n_course(x3) & of(x3,x4) & n_slalom(x4) & n_skier(x1) & of(x1,x2) & n_snow(x2))
exists e1 s1 x1.(for(e1,x1) & n_event(x1) & a_competitive(s1) & Theme(s1,x1) & Actor(e1,x1) & v_practice(e1) & n_thing(x1))