A dog runs through the grass.
The dog is very fast.
The dog can run fast or slow.
exists e1 x1 x2.(n_grass(x2) & through(e1,x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1))
exists s1 x1.(n_dog(x1) & r_very(s1) & Theme(s1,x1) & a_fast(s1))