Two dogs running through a field.
A black dog and a brown dog chase each other.
Not all dogs are either black or brown.
exists e1 x1 x2 x3.(a_topic(x1) & through(e1,x3) & n_field(x3) & Actor(e1,x2) & v_run(e1) & (x1 = x2) & n_dog(x1) & card_eq_2(x1))
exists s1 s2 x1.(a_topic(s1) & all x2.(n_other(x2) -> exists s3 x3 x4.(subset_of(x3,s1) & for(x3,x2) & n_chase(x3) & of(x3,x4) & n_dog(x4) & a_brown(s3) & Theme(s3,x3))) & subset_of(x1,s1) & n_dog(x1) & a_black(s2) & Theme(s2,x1))