A skier is airborne in front of a tree.
A man is dancing in front of a tree.
Unless dancing airborne is a thing, this can't happen
exists s1 x1 x2 x3.(in(s1,x2) & of(x2,x3) & n_tree(x3) & n_front(x2) & Theme(s1,x1) & a_airborne(s1) & n_skier(x1))
exists e1 x1 x2 x3.(in(e1,x2) & of(x2,x3) & n_tree(x3) & n_front(x2) & Actor(e1,x1) & v_dance(e1) & n_man(x1))