A skier makes a midair jump.
The skier is on a ski lift.
The skier cannot make a jump while he is on a ski lift.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_make(e1) & n_jump(x2) & of(x2,x3) & n_midair(x3) & n_skier(x1))
exists p1 x1.(n_skier(x1) & exists x2 x3.(on(x1,x2) & n_lift(x2) & of(x2,x3) & n_ski(x3)))