a waterskier wearing a red life jacket is holding the line waiting to be pulled up in the water.
A snowboarder crashes on the slopes.
The person waiting to be pulled up in the water cannot be the snowboarder.
exists e1 e3 e2 p1 s1 x1 x2 x3 x4 x5 x6.(n_water(x6) & n_line(x5) & for(e2,e3) & Topic(e3,p1) & Actor(e3,x1) & v_wait(e3) & exists e4 s2.(a_up(s2) & Manner(e4,s2) & Theme(e4,x1) & v_pull(e4)) & in(e2,x6) & Theme(e2,x5) & Actor(e2,x1) & v_hold(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_jacket(x3) & of(x3,x4) & n_life(x4) & a_red(s1) & Theme(s1,x3) & (x1 = x2) & n_waterskier(x1))
exists e1 x1 x2.(n_slope(x2) & on(e1,x2) & Actor(e1,x1) & v_crash(e1) & n_snowboarder(x1))