The black dog is standing by the wall next to the orange.
The dog is orange.
The dog is either black, or it is orange. Not both.
exists e1 s1 x1 x2 x3.(n_orange(x3) & n_wall(x2) & n_dog(x1) & a_black(s1) & Theme(s1,x1) & to(e1,x3) & r_next(e1) & by(e1,x2) & Actor(e1,x1) & v_stand(e1))
exists p1 x1.(n_dog(x1) & exists x2.((x1 = x2) & n_orange(x2)))