A dog jumps over an obstacle.
A dog is jumping.
Jumps over implies the action jumping.
exists e1 x1 x2.(over(e1,x2) & n_obstacle(x2) & Actor(e1,x1) & v_jump(e1) & n_dog(x1))
exists e1 x1.(Actor(e1,x1) & v_jump(e1) & n_dog(x1))