A dog plays on a beach.
A dog plays inside.
A beach cannot be inside.
exists e1 x1 x2.(on(e1,x2) & n_beach(x2) & Actor(e1,x1) & v_play(e1) & n_dog(x1))
exists e1 s1 x1.(a_inside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_play(e1) & n_dog(x1))