A small black and white dog.
Two small dogs, each a different color
You can not infer they are a different color.
exists s1 s2 s3 x1.(a_topic(x1) & n_dog(x1) & a_white(s3) & Theme(s3,x1) & a_black(s2) & Theme(s2,x1) & a_small(s1) & Theme(s1,x1))
exists s1 s2 x1 x3.(n_color(x3) & a_topic(s1) & all x2.((-(x2 = x3) & n_color(x2)) -> subset_of(x2,s1)) & subset_of(x1,s1) & n_dog(x1) & a_small(s2) & Theme(s2,x1) & card_eq_2(x1))