A skier catches air over the snow.
The skier is going fast.
Just because a skier catches air over the snow it does not mean they are going fast.
exists e1 x1 x2 x3.(n_snow(x3) & over(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_catch(e1) & n_air(x2) & n_skier(x1))
exists e1 s1 x1.(n_skier(x1) & a_fast(s1) & Manner(e1,s1) & Actor(e1,x1) & v_go(e1))