Two dogs are standing next to each other, and the white dog has a stick in its mouth.
The white dog is black.
The white dog cannot be the black dog, and there must be two dogs
exists e1 e2 s1 x1 x2 x3.(Theme(e2,x2) & Actor(e2,x1) & v_have(e2) & in(x2,x3) & n_mouth(x3) & of(x3,x1) & n_thing(x1) & n_stick(x2) & n_dog(x1) & n_dog(x1) & a_white(s1) & Theme(s1,x1) & all x4.(n_other(x4) -> to(e1,x4)) & r_next(e1) & Actor(e1,x1) & v_stand(e1) & card_eq_2(x1))
exists s1 s2 x1.(n_dog(x1) & a_white(s1) & Theme(s1,x1) & Theme(s2,x1) & a_black(s2))