a waterskier wearing a red life jacket is holding the line waiting to be pulled up in the water.
An injured waterskier waits to be rescued.
A waterskier holding the line and waiting to be pulled up in the water does not imply that they are injured or that they wait to be rescued.
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))
(-x)