A dog is leaping through the grass.
A dog is leaping.
A dog leaping through grass is leaping.
exists e1 x1 x2.(n_grass(x2) & through(e1,x2) & Actor(e1,x1) & v_leap(e1) & n_dog(x1))
exists e1 x1.(Actor(e1,x1) & v_leap(e1) & n_dog(x1))