A tan dog runs on a sandy beach.
The dog is rolling on the ground.
A dog runs can not be a dog rolling.
exists e1 s1 s2 x1 x2.(on(e1,x2) & n_beach(x2) & a_sandy(s2) & Theme(s2,x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & a_tan(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_ground(x2) & n_dog(x1) & on(e1,x2) & Actor(e1,x1) & v_roll(e1))