A white dog and two black dogs playing
Two cats playing.
Dogs are not the same as cats, and a dog and two dogs would be three, not two.
exists e1 s1 s2 s3 x1 x2 x3.(a_topic(s1) & subset_of(x2,s1) & Actor(e1,x3) & v_play(e1) & (x2 = x3) & n_dog(x2) & a_black(s3) & Theme(s3,x2) & card_eq_2(x2) & subset_of(x1,s1) & n_dog(x1) & a_white(s2) & Theme(s2,x1))
exists e1 x1.(Actor(e1,x1) & v_play(e1) & n_cat(x1) & card_eq_2(x1))