A snowboarder posed mid-jump.
The snowboarder has landed on his bottom.
A snowboarder posed mid-jump cannot land on his bottom.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_pose(e1) & n_mid-jump(x2) & n_snowboarder(x1))
exists e1 x1 x2.(n_bottom(x2) & of(x2,x1) & n_male(x1) & n_snowboarder(x1) & on(e1,x2) & Actor(e1,x1) & v_land(e1))